Product Search

    SEARCH NOW FOR ALL YOUR NATIONAL SOLUTIONS

    Radwell is here to supply you with all your plant floor needs.

    Radwell is not an authorized distributor, reseller or representative of the products featured on this website. All product names, trademarks, brands and logos used on this site are the property of their respective owners. The depiction, description or sale of products featuring these names, trademarks, brands and logos is for identification purposes only and is not intended to indicate any affiliation with or authorization by any rights holder.

    Filter Results
    Results 1-50 of 757.
    NATIONAL INSTRUMENTS NI-9403

    NATIONAL INSTRUMENTS

    NI-9403

    I/O MODULE, C SERIES, DIGITAL, 32 CHANNEL, 60 VDC, CAT I ISOLATION, 7 MS, 5 V/TTL, BIDIRECTIONAL, DSUB CONNECTIVITY
    ✓ IN STOCK!
    $1,346.00 Buy Surplus As Low As $808.00
    $808.00
    Repair Yours $671.00
    NATIONAL INSTRUMENTS 193299-01

    NATIONAL INSTRUMENTS

    193299-01

    DISCONTINUED BY MANUFACTURER, INPUT MODULE, 32 INPUT (SINGLE ENDED), 16 INPUT (DIFFERENTIAL), SPRING TERMINAL, -10 V TO 10 V#-5 V TO 5 V#-1 V TO 1 V#-200 MV TO 200 MV, (MODEL NI-9205)
    ✓ IN STOCK!
    Buy Surplus As Low As $1,590.00
    $1,590.00
    Repair Yours $1,320.00
    AMETEK Q3F-00300-321

    AMETEK

    NATIONAL CONTROLS

    Q3F-00300-321

    TIME DELAY RELAY, SOLID STATE, NORMALLY OPEN, DELAY ON BREAK, 7 BLADE, SURFACE MOUNT, 1 AMP, 15-300 SECOND RANGE, 120 VAC, Q3F-300-321
    ✓ IN STOCK!
    $110.00 Buy Surplus As Low As $67.00
    $67.00
    Repair Yours $300.00
    NATIONAL INSTRUMENTS 151515-06

    NATIONAL INSTRUMENTS

    151515-06

    DISCONTINUED BY MANUFACTURER, INPUT MODULE, 32 INPUT (SINGLE ENDED), 16 INPUT (DIFFERENTIAL), SPRING TERMINAL, -10 V TO 10 V#-5 V TO 5 V#-1 V TO 1 V#-200 MV TO 200 MV, (MODEL NI-9205)
    ✓ IN STOCK!
    Buy Surplus As Low As $1,590.00
    $1,590.00
    Repair Yours $1,320.00
    NATIONAL SEMICONDUCTOR LM341T-12

    NATIONAL SEMICONDUCTOR

    LM341T-12

    DISCONTINUED BY MANUFACTURER, LINEAR VOLTAGE REGULATOR IC POSITIVE FIXED 1 OUTPUT 500MA TO-220-3
    ✓ IN STOCK!
    $4.41 Buy Surplus As Low As $2.57
    $2.57
    NATIONAL INSTRUMENTS 763507B-02

    NATIONAL INSTRUMENTS

    763507B-02

    CABLE, TYPE X2, GPIB, 2 METER
    ✓ IN STOCK!
    $71.86 Buy Surplus As Low As $49.90
    $49.90
    NATIONAL INSTRUMENTS PXI-6040E

    NATIONAL INSTRUMENTS

    PXI-6040E

    DISCONTINUED BY MANUFACTURER, MULTIFUNCTION DAQ MODULE, 16 ANALOG INPUT, 8 DIGITL INPUT, 12 BITS, 500 KS/S, 2 ANALOG OUTPUTS
    ✓ IN STOCK!
    Buy Surplus As Low As $354.00
    $354.00
    Repair Yours $300.00
    AMETEK T2K-30-461

    AMETEK

    NATIONAL CONTROLS

    T2K-30-461

    TIMER, SOLID, 10AMP, 240V, 50/60HZ, .3-30SEC, 11PIN
    ✓ IN STOCK!
    $107.14 Buy Surplus As Low As $38.93
    $38.93
    Repair Yours $300.00
    NATIONAL INSTRUMENTS FP-AI-111

    NATIONAL INSTRUMENTS

    FP-AI-111

    DISCONTINUED BY MANUFACTURER, ANALOG INPUT MODULE, 16 SINGLE-ENDED ANALOG CURRENT INPUT CHANNELS, INPUT RANGES: +20 0-20 AND 4-20 MA, 16-BIT RESOLUTION, FILTER SETTINGS: 50 60 AND 500 HZ, HO ...
    ✓ IN STOCK!
    Buy Surplus As Low As $199.73
    $199.73
    Repair Yours $300.00
    NATIONAL INSTRUMENTS 199006B-05

    NATIONAL INSTRUMENTS

    199006B-05

    CABLE SHIELDED SCSI CONNECTOR 5M 68PIN DEVICE
    ✓ IN STOCK!
    $191.00 Buy Surplus As Low As $146.00
    $146.00
    NATIONAL INSTRUMENTS CFP-2100

    NATIONAL INSTRUMENTS

    CFP-2100

    DISCONTINUED BY MANUFACTURER, CONTROLLER INTERFACE, COMPACT FIELDPOINT ETHERNET, 188 MHZ, 64 MB RAM MEMORY, 1 RS-232 SERIAL PORT, 4.1 W, 1.5 AMP, 11-30 VDC SUPPLY, FOR PC-BASED DISTRIBUTED I ...
    ✓ IN STOCK!
    Buy Surplus As Low As $1,142.92
    $1,142.92
    Repair Yours $1,054.03
    NATIONAL OIL SEALS 471571

    NATIONAL OIL SEALS

    471571

    OIL SEAL, 47 DESIGN, DOUBLE LIP, WITH SPRING, 0.9375 INCH SHAFT, 1.5030 INCH OUTSIDE DIAMETER, 0.2500 INCH WIDTH, NITRILE MATERIAL
    $13.00 Buy Surplus As Low As $7.80
    $7.80
    NATIONAL SEMICONDUCTOR DS75492N

    NATIONAL SEMICONDUCTOR

    DS75492N

    DISCONTINUED BY MANUFACTURER, DISPLAY DRIVER, BIPOLAR, PDIP14
    ✓ IN STOCK!
    $16.48 Buy Surplus As Low As $9.60
    $9.60
    NATIONAL SEMICONDUCTOR NM93C46N

    NATIONAL SEMICONDUCTOR

    NM93C46N

    DISCONTINUED BY MANUFACTURER, EEPROM, 64X16, SERIAL, CMOS, PDIP8
    ✓ IN STOCK!
    $18.07 Buy Surplus As Low As $14.56
    $14.56
    TIMKEN 471730

    TIMKEN

    NATIONAL SEAL

    471730

    SMALL BORE INCH SEAL, 053893492438, 0.875 IN X 1.874 IN X 0.250 IN
    $15.00 Buy Surplus As Low As $8.02
    $8.02
    TEXAS INSTRUMENTS SEMI IC946N

    TEXAS INSTRUMENTS SEMI

    NATIONAL SEMICONDUCTOR

    IC946N

    DISCONTINUED BY MANUFACTURER, NAND GATE, 946 SERIES, 4-FUNC, 2-INPUT, CMOS, PDIP14
    $18.15 Buy Surplus As Low As $11.56
    $11.56
    TEXAS INSTRUMENTS SEMI IC357H

    TEXAS INSTRUMENTS SEMI

    NATIONAL SEMICONDUCTOR

    IC357H

    DISCONTINUED BY MANUFACTURER, OPERATIONAL AMPLIFIER, 1 FUNC, 13000UV OFFSET-MAX, BIPOLAR, METAL CAN-8
    $16.32 Buy Surplus As Low As $10.46
    $10.46
    TEXAS INSTRUMENTS SEMI 74HC4016N

    TEXAS INSTRUMENTS SEMI

    NATIONAL SEMICONDUCTOR

    74HC4016N

    IC, ANALOG SWITCH, QUAD, SPST, 14-PIN PDIP
    $2.01 Buy Surplus As Low As $1.26
    $1.26
    NATIONAL SEMICONDUCTOR LM105H

    NATIONAL SEMICONDUCTOR

    LM105H

    DISCONTINUED BY MANUFACTURER, VOLTAGE REGULATOR, LM105 SERIES, BIPOLAR, 50 V INPUT, 40 V OUTPUT, 800 MW, -55 TO 125 DEG. C, 8-LEAD METAL CAN PACKAGE
    $46.35 Buy Surplus As Low As $27.00
    $27.00
    TEXAS INSTRUMENTS SEMI IC5453N

    TEXAS INSTRUMENTS SEMI

    NATIONAL SEMICONDUCTOR

    IC5453N

    DISCONTINUED BY MANUFACTURER, LIQUID CRYSTAL DRIVER, 33-SEGMENT, CMOS, PDIP40
    $11.65 Buy Surplus As Low As $9.74
    $9.74
    TEXAS INSTRUMENTS SEMI CD4070BCN

    TEXAS INSTRUMENTS SEMI

    NATIONAL SEMICONDUCTOR

    CD4070BCN

    DISCONTINUED BY MANUFACTURER, XOR GATE, TTL/H/L SERIES, 4-FUNC, 2-INPUT, CMOS, PDIP14
    $7.42 Buy Surplus As Low As $4.32
    $4.32
    TEXAS INSTRUMENTS SEMI IC709CH

    TEXAS INSTRUMENTS SEMI

    NATIONAL SEMICONDUCTOR

    IC709CH

    DISCONTINUED BY MANUFACTURER, OPERATIONAL AMPLIFIER, 1 FUNC, 10000UV OFFSET-MAX, BIPOLAR, METAL CAN-8
    $29.67 Buy Surplus As Low As $20.81
    $20.81
    NATIONAL SEMICONDUCTOR LP2951ACMC

    NATIONAL SEMICONDUCTOR

    LP2951ACMC

    DISCONTINUED BY MANUFACTURER, FIXED/ADJUSTABLE POSITIVE LDO REGULATOR, 1.24V MIN, 29V MAX, 0.6V DROPOUT, BIPOLAR, SOIC-8
    $5.45 Buy Surplus As Low As $3.47
    $3.47
    TEXAS INSTRUMENTS SEMI LM317T-P+

    TEXAS INSTRUMENTS SEMI

    NATIONAL SEMICONDUCTOR

    LM317T-P+

    ADJUSTABLE POSITIVE STANDARD REGULATOR, 1.2V MIN, 37V MAX, BIPOLAR, TO-220
    $4.11 Buy Surplus As Low As $2.71
    $2.71
    NATIONAL OIL SEALS 471255

    NATIONAL OIL SEALS

    471255

    SMALL BORE INCH SEAL, 053893491547, NITRILE OIL
    $12.00 Buy Surplus As Low As $6.60
    $6.60
    NATIONAL INSTRUMENTS FP-DO-401

    NATIONAL INSTRUMENTS

    FP-DO-401

    DISCONTINUED BY MANUFACTURER,OUTPUT MODULE, 16 POINT ,SOURCING, 5-30 VDC
    ✓ IN STOCK!
    Buy Surplus As Low As $58.90
    $58.90
    Repair Yours $300.00
    NATIONAL INSTRUMENTS FP-AO-200

    NATIONAL INSTRUMENTS

    FP-AO-200

    DISCONTINUED BY MANUFACTURER, ANALOG OUTPUT MODULE, FIELDPOINT, 8 0-20/4-20 MA OUTPUTS, 0.5 MA OVER-RANGE ABILITY, 12-BIT RESOLUTION DACS, OPEN CURRENT LOOP INDICATORS
    ✓ IN STOCK!
    Buy Surplus As Low As $349.53
    $349.53
    Repair Yours $300.00
    NATIONAL INSTRUMENTS 777459-20

    NATIONAL INSTRUMENTS

    777459-20

    MODULE SCC-AI01 2-CHANNEL ANALOG INPUT 42MV 10KHZ
    ✓ IN STOCK!
    $303.28 Buy Surplus As Low As $113.42
    $113.42
    Repair Yours $300.00
    NATIONAL INSTRUMENTS 763061-01

    NATIONAL INSTRUMENTS

    763061-01

    TEST CABLE ASSEMBLY, GPIB CABLE, 24M/F-24M/F X 2 CABLE, DOUBLE SHIELDED, PLUG RECEPTACLE, 1M, GPIB INTERFACE, ACCESSORY TYPE:GPIB CABLE, ROHS COMPLIANT: YES
    ✓ IN STOCK!
    $298.83 Buy Surplus As Low As $88.32
    $88.32
    NATIONAL SEMICONDUCTOR CD40192BCN

    NATIONAL SEMICONDUCTOR

    CD40192BCN

    DISCONTINUED BY MANUFACTURER, DECADE COUNTER, SYNCHRONOUS, POSITIVE EDGE TRIGGERED, 4-BIT, BIDIRECTIONAL, LOGIC TYPE: CMOS, CASE: PDIP-16
    ✓ IN STOCK!
    $7.43 Buy Surplus As Low As $4.32
    $4.32
    NATIONAL ELECTRONICS OD3A

    NATIONAL ELECTRONICS

    OD3A

    ELECTRON TUBE T9
    ✓ IN STOCK!
    $11.37 Buy Surplus As Low As $8.14
    $8.14
    NATIONAL ELECTRONICS 6SQ7

    NATIONAL ELECTRONICS

    6SQ7

    ELECTRONIC TUBE
    ✓ IN STOCK!
    $6.68 Buy Surplus As Low As $2.60
    $2.60
    NATIONAL INSTRUMENTS FP-TB-1

    NATIONAL INSTRUMENTS

    FP-TB-1

    DISCONTINUED BY MANUFACTURER, TERMINAL BASE SCREW, 36 TERMINAL, FIELDPOINT, DIN RAIL
    ✓ IN STOCK!
    Buy Surplus As Low As $35.20
    $35.20
    NATIONAL INSTRUMENTS FP-AI-110

    NATIONAL INSTRUMENTS

    FP-AI-110

    DISCONTINUED BY MANUFACTURER, VOLTAGE AND CURRENT INPUT MODULE, ANALOG, 8 CHANNEL, FOR FIELDPOINT, (777518-110)
    ✓ IN STOCK!
    Buy Surplus As Low As $258.54
    $258.54
    Repair Yours $300.00
    NATIONAL INSTRUMENTS 777459-01

    NATIONAL INSTRUMENTS

    777459-01

    FEED THROUGH/BREADBOARD MODULE SCC-FT01
    ✓ IN STOCK!
    $61.20 Buy Surplus As Low As $33.90
    $33.90
    Repair Yours $300.00
    NATIONAL INSTRUMENTS 181065-01

    NATIONAL INSTRUMENTS

    181065-01

    DISCONTINUED BY MANUFACTURER, PC BOARD, INTERFACE CARD, GRIP-PCII/IIAA IEEE-48, GOLD EDGE CONNECTOR
    ✓ IN STOCK!
    Buy Surplus As Low As $53.99
    $53.99
    Repair Yours $300.00
    NATIONAL ELECTRONICS NL-604/7014

    NATIONAL ELECTRONICS

    NL-604/7014

    DISCONTINUED BY MANUFACTURER, RECTIFIER, 6PIN
    ✓ IN STOCK!
    Buy Surplus As Low As $111.33
    $111.33
    Repair Yours $300.00
    NATIONAL INSTRUMENTS 185095-02

    NATIONAL INSTRUMENTS

    185095-02

    MULTIFUNCTION CABLE, 2M, TEST EQUIPMENT, ACCESSORY TYPE:MULTIFUNCTION CABLE, FOR USE WITH:NI TEST EQUIPMENTS, PRODUCT RANGE:SH100M-100M FLEX CABLE ROHS COMPLIANT: YES
    ✓ IN STOCK!
    $664.35 Buy Surplus As Low As $390.87
    $390.87
    NATIONAL ELECTRONICS NL-5665-C16J

    NATIONAL ELECTRONICS

    NL-5665-C16J

    DISCONTINUED BY MANUFACTURER, TUBE THYRATRON, GRID CONTROL RECTIFIER
    ✓ IN STOCK!
    Buy Surplus As Low As $1,318.24
    $1,318.24
    NATIONAL INSTRUMENTS PCI-1409

    NATIONAL INSTRUMENTS

    PCI-1409

    DISCONTINUED BY MANUFACTURER, PC BOARD ANALOG, 4 CHANNEL
    ✓ IN STOCK!
    Buy Surplus As Low As $951.79
    $951.79
    Repair Yours $789.99
    NATIONAL INSTRUMENTS 186381-02

    NATIONAL INSTRUMENTS

    186381-02

    MULTIFUNCTION CABLE, 2M, TEST EQUIPMENT, ACCESSORY TYPE:MULTIFUNCTION CABLE, FOR USE WITH:NI TEST EQUIPMENTS, PRODUCT RANGE:SH68-C68-S ROHS COMPLIANT: YES
    ✓ IN STOCK!
    $410.00 Buy Surplus As Low As $246.00
    $246.00
    NATIONAL INSTRUMENTS GPIB-232CV-A (100-120 VAC)

    NATIONAL INSTRUMENTS

    GPIB-232CV-A (100-120 VAC)

    DISCONTINUED BY MANUFACTURER, CONVERTER, IEEE 488 TO RS-232, 6 LEDS, 256 KB OR RAM, 100-120 VAC, 50/60 HZ, 55 MA, 181935J-01
    ✓ IN STOCK!
    Buy Surplus As Low As $322.03
    $322.03
    Repair Yours $300.00
    NATIONAL INSTRUMENTS SCXI-1327

    NATIONAL INSTRUMENTS

    SCXI-1327

    DISCONTINUED BY MANUFACTURER, SHIELDED TERMINAL BLOCK, 18 SCREWS, HIGH VOLTAGE, 5-300 V
    ✓ IN STOCK!
    Buy Surplus As Low As $91.26
    $91.26
    NATIONAL ELECTRONICS 6L6GC

    NATIONAL ELECTRONICS

    6L6GC

    DISCONTINUED BY MANUFACTURER, ELECTRON TUBE BEAM PENTODE
    ✓ IN STOCK!
    Buy Surplus As Low As $18.06
    $18.06
    NATIONAL ELECTRONICS NL-5557/FG17

    NATIONAL ELECTRONICS

    NL-5557/FG17

    THYRATRON TUBE, HIGH SENSITIVITY, SPARK PROTECTION TUBE, FOR HIGH FREQUENCY MACHINE APPLICATION
    ✓ IN STOCK!
    $908.00 Buy Surplus As Low As $458.85
    $458.85
    NATIONAL ELECTRONICS 6SN7GTB

    NATIONAL ELECTRONICS

    6SN7GTB

    DISCONTINUED BY MANUFACTURER, VACUUM TUBE, 8PIN, GLASS
    ✓ IN STOCK!
    Buy Surplus As Low As $42.54
    $42.54
    NATIONAL INSTRUMENTS FP-AI-112

    NATIONAL INSTRUMENTS

    FP-AI-112

    DISCONTINUED BY MANUFACTURER, INPUT MODULE, ANALOG, 16 CHANNEL, 60 MV TO 10 V
    ✓ IN STOCK!
    Buy Surplus As Low As $418.52
    $418.52
    Repair Yours $300.00
    NATIONAL METER K4834

    NATIONAL METER

    K4834

    KILOWATT HOUR METER, 277/480V, 3 PHASE, 4 WIRE
    ✓ IN STOCK!
    $457.92 Buy Surplus As Low As $244.28
    $244.28
    Repair Yours $300.00
    NATIONAL INSTRUMENTS CFP-TC-120

    NATIONAL INSTRUMENTS

    CFP-TC-120

    DISCONTINUED BY MANUFACTURER, THERMOCOUPLE INPUT MODULE, 16-BIT, 8-CHANNEL, STATUS LEDS
    ✓ IN STOCK!
    Buy Surplus As Low As $673.06
    $673.06
    Repair Yours $548.00
    NATIONAL INSTRUMENTS CFP-CB-3

    NATIONAL INSTRUMENTS

    CFP-CB-3

    DISCONTINUED BY MANUFACTURER, CONNECTOR BLOCK, ISOTHERMAL, FOR CFP-TC-120
    ✓ IN STOCK!
    Buy Surplus As Low As $121.32
    $121.32
    Repair Yours $300.00
    Next
    1 2 3 4 5 6 7 8 9 10 11