The Resistor,fixed,wire Wound,induct, cataloged under National Stock Number 5905-00-902-5849, is classified within Federal Supply Class 5905 (Resistor) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Lockheed Martin Corporation Div Rms. Government technical data includes 23 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5905-00-902-5849 |
| Primary Part Number | A3318-4 |
| Item Name | Resistor,fixed,wire Wound,induct |
| FSC / FSG | 5905 / 59 — Resistor |
| Manufacturer | Lockheed Martin Corporation Div Rms |
| Status | ACTIVE |
| Resistance Tolerance in Percent | -1.000 TO 1.000-1.000 TO 1.000 |
| Temp Coefficient of Resistance in Ppm Per Deg Celsius | -30.0 TO 30.0-30.0 TO 30.0 |
| Electrical Resistance | 69.800 OHMS69.800 OHMS |
| Inclosure Type | ENCASEDENCASED |
| Mounting Hole Size | 0.125 INCHES NOMINAL0.125 INCHES NOMINAL IN |
| Terminal Type | TAB, SOLDER LUGTAB, SOLDER LUG |
| Distance Between Centerlines of Mounting Facilities Parallel to Body Length | 1.563 INCHES NOMINAL1.563 INCHES NOMINAL IN |
| Heat Sink Thickness | 0.040 INCHES0.040 INCHES IN |
| Terminal Length | 0.375 INCHES NOMINAL0.375 INCHES NOMINAL IN |
| Body Width | 0.625 INCHES NOMINAL0.625 INCHES NOMINAL IN |
| Body Height | 0.625 INCHES NOMINAL0.625 INCHES NOMINAL IN |
| Temp Range of Temp Coefficient in Deg Celsius | -55.0 TO 275.0-55.0 TO 275.0 |
| Style Designator | AXIAL TERMINAL (S) |
| Heat Sink Height | 2.000 INCHES2.000 INCHES IN |
| Power Dissipation Rating in Watts | 50.000 HEAT SINK50.000 HEAT SINK |
| Heat Sink Length | 7.000 INCHES7.000 INCHES IN |
| Ambient Temp at Full Rated Power | 25.0 CELSIUS25.0 CELSIUS DEGC |
| Body Length | 1.968 INCHES NOMINAL1.968 INCHES NOMINAL IN |
| Ambient Temp in Deg Celsius at Zero Percent Rated Power | 275.0275.0 |
| Heat Sink Width | 5.000 INCHES5.000 INCHES IN |
| Reliability Indicator | NOT ESTABLISHEDNOT ESTABLISHED |
| Terminal Width | 0.155 INCHES MINIMUM0.155 INCHES MINIMUM IN |
| Material | ALUMINUM ALLOY HEAT SINK |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| A3318-4 PRIMARY | Lockheed Martin Corporation Div Rms (USA) |
| Reference | Meaning |
|---|---|
| A3318-4 | 3/9 Design control — primary reference Martin Marietta Technologies Inc Sub of Martin Marietta Corp Aero and Naval Systems |
NSN 5905-00-902-5849 is a Resistor,fixed,wire Wound,induct, manufactured by Lockheed Martin Corporation Div Rms, classified under FSC 5905, Resistor. Status: active.
NSN 5905-00-902-5849 has 1 manufacturer part number on file: A3318-4 (Lockheed Martin Corporation Div Rms).
Key specifications for A3318-4: Resistance Tolerance in Percent: -1.000 TO 1.000-1.000 TO 1.000; Temp Coefficient of Resistance in Ppm Per Deg Celsius: -30.0 TO 30.0-30.0 TO 30.0; Electrical Resistance: 69.800 OHMS69.800 OHMS; Inclosure Type: ENCASEDENCASED. 23 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.