The Resistor,fixed,wire Wound,induct, cataloged under National Stock Number 5905-00-657-9978, is classified within Federal Supply Class 5905 (Resistor) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Memcor Inc. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5905-00-657-9978 |
| Primary Part Number | GA51721D |
| Item Name | Resistor,fixed,wire Wound,induct |
| FSC / FSG | 5905 / 59 — Resistor |
| Manufacturer | Memcor Inc |
| Status | ACTIVE |
| Resistance Tolerance in Percent | -10.000 TO 10.000 |
| Temp Coefficient of Resistance in Ppm Per Deg Celsius | -300.0 TO 300.0 |
| Body Diameter | 0.313 INCHES NOMINAL IN |
| Electrical Resistance | 825.000 OHMS |
| Inclosure Type | ENCAPSULATED |
| Terminal Type | WIRE LEAD |
| Terminal Length | 1.500 INCHES NOMINAL IN |
| Temp Range of Temp Coefficient in Deg Celsius | -55.0 TO 275.0 |
| 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 |
| 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 |
|---|---|
| GA51721D PRIMARY | Memcor Inc (USA) |
| GA51721D PRIMARY | Ohmite Holding, L.l.c. Dba Ohmite Manufacturing (USA) |
| 7X1400 PRIMARY | Ward Leonard Ct Llc (USA) |
| GA51721D PRIMARY | Ward Leonard Ct Llc (USA) |
| Reference | Meaning |
|---|---|
| GA51721D | 5/9 Secondary reference American Telephone and Telegraph Co |
| GA51721D | 5/9 Secondary reference At and T Corp |
NSN 5905-00-657-9978 is a Resistor,fixed,wire Wound,induct, manufactured by Memcor Inc, classified under FSC 5905, Resistor. Status: active.
NSN 5905-00-657-9978 has 4 manufacturer part numbers on file: GA51721D (Memcor Inc), GA51721D (Ohmite Holding, L.l.c. Dba Ohmite Manufacturing), 7X1400 (Ward Leonard Ct Llc), GA51721D (Ward Leonard Ct Llc).
Key specifications for GA51721D: Resistance Tolerance in Percent: -10.000 TO 10.000; Temp Coefficient of Resistance in Ppm Per Deg Celsius: -300.0 TO 300.0; Body Diameter: 0.313 INCHES NOMINAL IN; Electrical Resistance: 825.000 OHMS. 13 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.