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 401-450 of 748.
    NATIONAL SEMICONDUCTOR DS2004CN

    NATIONAL SEMICONDUCTOR

    DS2004CN

    DISCONTINUED BY MANUFACTURER, IC, POWER BIPOLAR TRANSISTOR, 0.5A I(C), 7-ELEMENT, NPN, SILICON, PLASTIC/EPOXY, DIP-16
    ✓ IN STOCK!
    $25.75 Buy Surplus As Low As $15.00
    $15.00
    TIMKEN 473438

    TIMKEN

    NATIONAL SEAL

    473438

    OIL SEAL, 1.468 INCH BORE, 2.375 INCH OD, 0.375 INCH WIDTH, NBR LIP
    $27.28 Buy Surplus As Low As $20.11
    $20.11
    TIMKEN 416070

    TIMKEN

    NATIONAL SEAL

    416070

    OIL SEAL, PLAIN ROUND, WITH LOADED SPRING, 4-1/2 IN ID X 6.131 IN OD, 0.562 IN W
    ✓ IN STOCK!
    $91.30 Buy Surplus As Low As $63.00
    $63.00
    NATIONAL SEMICONDUCTOR LM2637M

    NATIONAL SEMICONDUCTOR

    LM2637M

    POWER SUPPLY, 5-BIT, PROGRAMMABLE, SWITCHING CONTROLLER, TWO LINEAR REGULATOR CONTROLLER, SOP24
    ✓ IN STOCK!
    $5.89 Buy Surplus As Low As $3.43
    $3.43
    NATIONAL SEMICONDUCTOR 74F148PC

    NATIONAL SEMICONDUCTOR

    74F148PC

    IC, PRIORITY ENCOD, 1 X 8:3, 16DIP
    ✓ IN STOCK!
    $1.20 Buy Surplus As Low As $0.96
    $0.96
    NATIONAL SEMICONDUCTOR 74ACTQ244PC

    NATIONAL SEMICONDUCTOR

    74ACTQ244PC

    DISCONTINUED BY MANUFACTURER, BUS DRIVER, ACT SERIES, 2-FUNC, 4-BIT, TRUE OUTPUT, CMOS, PDIP20
    ✓ IN STOCK!
    $3.50 Buy Surplus As Low As $2.04
    $2.04
    TIMKEN 2081

    TIMKEN

    NATIONAL SEAL

    2081

    SMALL BORE INCH SEAL, 053893463926
    ✓ IN STOCK!
    $18.00 Buy Surplus As Low As $10.50
    $10.50
    TIMKEN 55060

    TIMKEN

    NATIONAL SEAL

    55060

    OIL SEAL 4-3/8X6-1/4X1/2IN
    ✓ IN STOCK!
    $22.44 Buy Surplus As Low As $18.70
    $18.70
    TIMKEN 41389S

    TIMKEN

    NATIONAL SEAL

    41389S

    OIL SEAL, 0.75"X1-1/24"X1/2"
    ✓ IN STOCK!
    $5.01 Buy Surplus As Low As $1.85
    $1.85
    TIMKEN 340413

    TIMKEN

    NATIONAL SEAL

    340413

    SMALL BORE INCH SEAL, 053893473468
    $13.00 Buy Surplus As Low As $8.24
    $8.24
    TIMKEN 471772

    TIMKEN

    NATIONAL SEAL

    471772

    OIL SEAL 1-1/16 X 2.004 X 1/4INCH
    ✓ IN STOCK!
    $9.63 Buy Surplus As Low As $5.75
    $5.75
    NATIONAL SEMICONDUCTOR LM2931AT-5.0

    NATIONAL SEMICONDUCTOR

    LM2931AT-5.0

    FIXED LDO VOLTAGE REGULATOR, 0V TO 26V, 300MV DROPOUT, 5VOUT, 100MAOUT, TO-220-3
    ✓ IN STOCK!
    $3.44 Buy Surplus As Low As $2.00
    $2.00
    NATIONAL SEMICONDUCTOR ADC12451CIJ

    NATIONAL SEMICONDUCTOR

    ADC12451CIJ

    DISCONTINUED BY MANUFACTURER, ADC, SUCCESSIVE APPROXIMATION, 12-BIT, 1 FUNC, 1 CHANNEL, PARALLEL, 8 BITS ACCESS, CMOS, CDIP24
    ✓ IN STOCK!
    $412.00 Buy Surplus As Low As $240.00
    $240.00
    NATIONAL SEMICONDUCTOR DM74LS534N

    NATIONAL SEMICONDUCTOR

    DM74LS534N

    IC, FLIP FLOP, 1 ELEMENT D-TYPE, 8 BIT, POSITIVE EDGE, 20-DIP, (0.300", 7.62MM)
    ✓ IN STOCK!
    $3.44 Buy Surplus As Low As $2.00
    $2.00
    TIMKEN 450503

    TIMKEN

    NATIONAL SEAL

    450503

    OIL SEAL 1.312X2.437X.468IN
    ✓ IN STOCK!
    $16.06 Buy Surplus As Low As $12.35
    $12.35
    NATIONAL SEMICONDUCTOR DAC1231LCJ

    NATIONAL SEMICONDUCTOR

    DAC1231LCJ

    DISCONTINUED BY MANUFACTURER, D/A CONVERTER, 1 FUNC, PARALLEL, 8 BITS INPUT LOADING, 1US SETTLING TIME, CDIP20
    ✓ IN STOCK!
    $40.03 Buy Surplus As Low As $28.79
    $28.79
    NATIONAL INSTRUMENTS BNC-2110

    NATIONAL INSTRUMENTS

    BNC-2110

    DISCONTINUED BY MANUFACTURER, CONNECTOR BLOCK, NOISE REJECTING, SHIELDED, 15-CONNECTOR, 30-POSITION
    ✓ IN STOCK!
    Buy Surplus As Low As $384.91
    $384.91
    NATIONAL INSTRUMENTS SC-2075

    NATIONAL INSTRUMENTS

    SC-2075

    DISCONTINUED BY MANUFACTURER, CHANNEL KIT W/O CABLE, 5VDC, 1A MAX
    ✓ IN STOCK!
    Buy Surplus As Low As $66.25
    $66.25
    Repair Yours $300.00
    NATIONAL MFG CO N190-108

    NATIONAL MFG CO

    N190-108

    PIN HINGE REMOVABLE 4IN BRASS
    ✓ IN STOCK!
    $11.70 Buy Surplus As Low As $4.36
    $4.36
    NATIONAL INSTRUMENTS 180735-01

    NATIONAL INSTRUMENTS

    180735-01

    DISCONTINUED BY MANUFACTURER, I/O INTERFACE, SERIES: AT, 32 BIT PARALLEL, HIGH SPEED DIGITAL, DRIVER SOFTWARE: NI-DAQ, 50 PIN MALE, RTSI TRIGGER LINES: 7
    ✓ IN STOCK!
    Buy Surplus As Low As $150.00
    $150.00
    Repair Yours $300.00
    NATIONAL INSTRUMENTS FP-DI-DC

    NATIONAL INSTRUMENTS

    FP-DI-DC

    DISCONTINUED BY MANUFACTURER, INPUT MODULE, DUAL CHANNEL, DISCRETE, FOR FIELDPOINT, 2CNL, 5-24VDC, 3-32VDC, 778071-03
    ✓ IN STOCK!
    Buy Surplus As Low As $35.43
    $35.43
    Repair Yours $300.00
    NATIONAL SEMICONDUCTOR LM77000CP

    NATIONAL SEMICONDUCTOR

    LM77000CP

    DISCONTINUED BY MANUFACTURER, IC CHIP, POWER OPERATIONAL AMPLIFIER, 18 MA SUPPLY, 13 V SUPPLY, 250 MA MIN. OUTPUT, 200 V/MV VOLTAGE GAIN, 300 NS RISE TIME, 0 TO 125 DEG. C, TO-220-4 PACKAGE
    ✓ IN STOCK!
    $85.14 Buy Surplus As Low As $54.10
    $54.10
    NATIONAL SEMICONDUCTOR DS3669N

    NATIONAL SEMICONDUCTOR

    DS3669N

    DISCONTINUED BY MANUFACTURER, AND GATE BASED PERIPHERAL DRIVER, 4 DRIVER, 1.5A, BIPOLAR, DIP-16
    ✓ IN STOCK!
    $24.30 Buy Surplus As Low As $18.00
    $18.00
    NATIONAL INSTRUMENTS FP-TB-2

    NATIONAL INSTRUMENTS

    FP-TB-2

    FIELDPOINT TERMINAL BASE DIN RAIL MOUNT
    ✓ IN STOCK!
    $156.92 Buy Surplus As Low As $68.64
    $68.64
    AMETEK Q1T-00060-311

    AMETEK

    NATIONAL CONTROLS

    Q1T-00060-311

    2 PIN, TIME DELAY RELAY 1 AT RESISTIVE OR INDUCTIVE LOAD CONTACT AMP, 120 VAC/VDC, ON BOARD TRIMPOT (MOQ=1, PKG QTY=1)
    ✓ IN STOCK!
    $177.00 Buy Surplus As Low As $110.58
    $110.58
    Repair Yours $300.00
    NATIONAL INSTRUMENTS FP-AO-C420

    NATIONAL INSTRUMENTS

    FP-AO-C420

    DISCONTINUED BY MANUFACTURER, OUTPUT MODULE ANALOG, 2SE/1DI CHANNELS, 4-20MA
    ✓ IN STOCK!
    Buy Surplus As Low As $232.11
    $232.11
    NATIONAL INSTRUMENTS PCI-488.2

    NATIONAL INSTRUMENTS

    PCI-488.2

    PCI INTERFACE BOARD, PCI-GPIB, 778032-01, WINDOWS OPERATING SYSTEM, 24 PIN, FEMAIL GPIB (IEE 488)
    ✓ IN STOCK!
    $2,224.50 Buy Surplus As Low As $110.00
    $110.00
    Repair Yours $300.00
    NATIONAL INSTRUMENTS 9435

    NATIONAL INSTRUMENTS

    9435

    DISCONTINUED BY MANUFACTURER, RELAY, 4CHANNEL, 5-250VDC, 3MS DIG INPUT
    ✓ IN STOCK!
    Buy Surplus As Low As $126.73
    $126.73
    Repair Yours $300.00
    NATIONAL INSTRUMENTS PXI-6259

    NATIONAL INSTRUMENTS

    PXI-6259

    MULTIFUNCTION I/O MODULE, 32INPUT, 16BIT, 1.25 MSPS, STANDARD BOARD
    ✓ IN STOCK!
    $5,948.90 Buy Surplus As Low As $3,355.18
    $3,355.18
    Repair Yours $2,934.00
    TEXAS INSTRUMENTS SEMI IC2576HVT12

    TEXAS INSTRUMENTS SEMI

    NATIONAL SEMICONDUCTOR

    IC2576HVT12

    STEP-DOWN VOLTAGE REGULATOR, TO-220; TOPOLOGY:BUCK (STEP DOWN); INPUT VOLTAGE MIN:4V; INPUT VOLTAGE MAX:60V; DC / DC CONVERTER IC CASE:TO-220; NO. OF PINS:5PINS; OUTPUT CURRENT:3A; SWITCHING ...
    $15.00 Buy Surplus As Low As $9.90
    $9.90
    NATIONAL SEMICONDUCTOR LM63CIMA/NOPB

    NATIONAL SEMICONDUCTOR

    LM63CIMA/NOPB

    TEMPERATURE SENSOR, 11 BIT, 1C, 8-SOIC; IC OUTPUT TYPE:DIGITAL; SENSING ACCURACY RANGE: 1 C; SENSING TEMPERATURE MIN:0 C; SENSING TEMPERATURE MAX:85 C; SENSOR CASE STYLE:SOIC; NO. OF PINS:8P ...
    ✓ IN STOCK!
    $3.14 Buy Surplus As Low As $2.42
    $2.42
    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 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
    NATIONAL SEMICONDUCTOR LMH6503MA

    NATIONAL SEMICONDUCTOR

    LMH6503MA

    AMP, WIDEBAND, VARIABLE GAIN, 6503; NO. OF AMPLIFIERS:1; BANDWIDTH:135MHZ; GAIN ACCURACY:4.4DB; NO. OF CHANNELS:1; SUPPLY VOLTAGE RANGE:5V TO 12V; AMP
    ✓ IN STOCK!
    $17.51 Buy Surplus As Low As $10.20
    $10.20
    NATIONAL SEMICONDUCTOR LM2575HVMX-5.0

    NATIONAL SEMICONDUCTOR

    LM2575HVMX-5.0

    DISCONTINUED BY MANUFACTURER, SWITCHING REGULATOR, VOLTAGE-MODE, 3.2A, 63KHZ SWITCHING FREQ-MAX, BIPOLAR, SOIC-24
    ✓ IN STOCK!
    $8.76 Buy Surplus As Low As $5.10
    $5.10
    NATIONAL SEMICONDUCTOR LF355N

    NATIONAL SEMICONDUCTOR

    LF355N

    DISCONTINUED BY MANUFACTURER, OPERATIONAL AMPLIFIER, 1 FUNC, 13000UV OFFSET-MAX, PDIP8
    ✓ IN STOCK!
    $18.25 Buy Surplus As Low As $11.44
    $11.44
    NATIONAL INSTRUMENTS 781503-01

    NATIONAL INSTRUMENTS

    781503-01

    TERMINAL BLOCK, 37-PIN D-SUB MODULE, FOR USE WITH:NI 37-PIN D-SUB MODULES, PRODUCT RANGE:NI-9923 ROHS COMPLIANT: YES
    ✓ IN STOCK!
    $510.05 Buy Surplus As Low As $349.06
    $349.06
    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 INSTRUMENTS PCI-6032E

    NATIONAL INSTRUMENTS

    PCI-6032E

    DISCONTINUED BY MANUFACTURER, I/O BOARD, MULTIFUNCTION, 16 ANALOG INPUT CHANNELS (8 DIFFERENTIAL), 16-BIT RESOLUTION, 8 LINES OF TTL-COMPATIBLE DIO, (2) 24-BIT COUNTER/TIMERS FOR TIO, 68-PIN ...
    ✓ IN STOCK!
    Buy Surplus As Low As $673.67
    $673.67
    Repair Yours $560.00
    TIMKEN 472681V

    TIMKEN

    NATIONAL SEAL

    472681V

    SMALL BORE, INCH SEAL, OIL SEAL - SOLID, 1.125 IN SHAFT, 2.445 IN OD, 0.375 IN WIDTH, FLUORO- ELASTOMER LIP MATERIAL
    ✓ IN STOCK!
    $28.80 Buy Surplus As Low As $21.60
    $21.60
    NATIONAL INSTRUMENTS CFP-2120

    NATIONAL INSTRUMENTS

    CFP-2120

    DISCONTINUED BY MANUFACTURER, CONTROLLER, ETHERNET NETWORK, RS-232, 11-30 VDC, 1.5 AMP
    ✓ IN STOCK!
    Buy Surplus As Low As $493.06
    $493.06
    Repair Yours $490.00
    NATIONAL ELECTRONICS M900

    NATIONAL ELECTRONICS

    M900

    MONITOR CCTV 9IN B&W 0.5A 100-240VAC 2-BNC IN/OUT
    ✓ IN STOCK!
    $1,113.00 Buy Surplus As Low As $668.00
    $668.00
    Repair Yours $573.00
    NATIONAL ELECTRONICS 5727/2D21W

    NATIONAL ELECTRONICS

    5727/2D21W

    ELECTRONIC TUBE 7PINS
    ✓ IN STOCK!
    Buy Surplus As Low As $35.53
    $35.53
    NATIONAL TOOL AND MFG B3E061

    NATIONAL TOOL AND MFG

    B3E061

    LEADER PIN STRAIGHT 6-1/8IN LENGTH 1-1/4IN DIAM
    ✓ IN STOCK!
    $18.00 Buy Surplus As Low As $7.64
    $7.64
    NATIONAL ELECTRONICS NLC350M

    NATIONAL ELECTRONICS

    NLC350M

    NATIONAL ELECTRONICS, NLC350M, RECTIFIER, SILICON CONTROLLED
    ✓ IN STOCK!
    Buy Surplus As Low As $28.43
    $28.43
    NATIONAL ELECTRONICS NL-615/7018

    NATIONAL ELECTRONICS

    NL-615/7018

    DISCONTINUED BY MANUFACTURER, TUBE, VACUUM
    ✓ IN STOCK!
    Buy Surplus As Low As $182.98
    $182.98
    NATIONAL ELECTRONICS NL-760

    NATIONAL ELECTRONICS

    NL-760

    VACUUM TUBE
    ✓ IN STOCK!
    $153.00 Buy Surplus As Low As $63.57
    $63.57
    NATIONAL INSTRUMENTS PCI-6033E

    NATIONAL INSTRUMENTS

    PCI-6033E

    DISCONTINUED BY MANUFACTURER, INPUT MODULE, ANALOG, 16 BIT, 64 MULTIFUNCTION DAQ, 100KS/S
    ✓ IN STOCK!
    Buy Surplus As Low As $2,061.72
    $2,061.72
    Repair Yours $1,801.29
    NATIONAL SEMICONDUCTOR DS1489M

    NATIONAL SEMICONDUCTOR

    DS1489M

    DISCONTINUED BY MANUFACTURER, IC, LINE RECEIVER, QUAD, BIPOLAR, SINGLE-ENDED, 4.75V ~ 5.25V, SOP-14
    ✓ IN STOCK!
    $2.56 Buy Surplus As Low As $1.63
    $1.63
    NATIONAL INSTRUMENTS PXI-6713

    NATIONAL INSTRUMENTS

    PXI-6713

    DISCONTINUED BY MANUFACTURER, ANALOG OUTPUT MODULE, PXI-6713, 16 BIT, 32 OUTPUT, PXI CONTROLLER
    ✓ IN STOCK!
    Buy Surplus As Low As $1,695.36
    $1,695.36
    Repair Yours $1,655.47
    Previous Next
    4 5 6 7 8 9 10 11 12 13 14