The Resistor,fixed,wire Wound,induct, cataloged under National Stock Number 5905-00-978-4585, is classified within Federal Supply Class 5905 (Resistor) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Naval Air Warfare Center Aircraft Div. Government technical data includes 11 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5905-00-978-4585 |
| Primary Part Number | 57A5A77-55 |
| Item Name | Resistor,fixed,wire Wound,induct |
| FSC / FSG | 5905 / 59 — Resistor |
| Manufacturer | Naval Air Warfare Center Aircraft Div |
| Status | ACTIVE |
| Resistance Tolerance in Percent | -1.000 TO 1.000 |
| Body Diameter | 0.313 INCHES NOMINAL IN |
| Electrical Resistance | 51.000 KILOHMS |
| Inclosure Type | ENCAPSULATED |
| Terminal Type | WIRE LEAD |
| Style Designator | AXIAL TERMINAL EACH END |
| Power Dissipation Rating in Watts | 5.000 FREE AIR |
| Ambient Temp at Full Rated Power | 25.0 CELSIUS DEGC |
| Body Length | 1.000 INCHES NOMINAL IN |
| Ambient Temp in Deg Celsius at Zero Percent Rated Power | 275.0 |
| Reliability Indicator | NOT ESTABLISHED |
| 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 |
|---|---|
| 57A5A77-55 PRIMARY | Naval Air Warfare Center Aircraft Div (USA) |
| Reference | Meaning |
|---|---|
| 57A5A77-55 | C/1 Advisory reference — outside the item-of-supply concept Naval Sea Systems Command |
| RS-5-51000KILOHMSPORM1PCT | 5/2 Secondary reference U.S. Government activity |
| SA-50-51000KILOHMSPORM1PCT | 5/9 Secondary reference Avox Systems Inc Dba Avox Systems Inc |
| AS-5-51000KILOHMSPORM1PCT | 5/9 Secondary reference Trw Inc Trw Electronic Components Irc Fixed Resistors Philadelphia Div |
| T-5-51000KILOHMSPORM1PCT | 5/9 Secondary reference Omtronics Mfg Co Inc |
| 1500S-51000KILOHMSPORM1PCT | 5/9 Secondary reference Struthers-Dunn Inc. |
NSN 5905-00-978-4585 is a Resistor,fixed,wire Wound,induct, manufactured by Naval Air Warfare Center Aircraft Div, classified under FSC 5905, Resistor. Status: active.
NSN 5905-00-978-4585 has 1 manufacturer part number on file: 57A5A77-55 (Naval Air Warfare Center Aircraft Div).
Key specifications for 57A5A77-55: Resistance Tolerance in Percent: -1.000 TO 1.000; Body Diameter: 0.313 INCHES NOMINAL IN; Electrical Resistance: 51.000 KILOHMS; Inclosure Type: ENCAPSULATED. 11 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.