The Resistor,fixed,film, cataloged under National Stock Number 5905-01-515-3973, is classified within Federal Supply Class 5905 (Resistor) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Koa Speer Electronics Inc. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5905-01-515-3973 |
| Primary Part Number | MF55D49R9F |
| Item Name | Resistor,fixed,film |
| FSC / FSG | 5905 / 59 — Resistor |
| Manufacturer | Koa Speer Electronics Inc |
| Status | ACTIVE |
| Resistance Tolerance in Percent | -1.000 TO 1.000 |
| Body Diameter | 0.091 INCHES NOMINAL IN |
| Electrical Resistance | 49.900 OHMS |
| Inclosure Type | ENCAPSULATED |
| Terminal Type | WIRE LEAD |
| Terminal Length | 1.180 INCHES NOMINAL IN |
| Temp Range of Temp Coefficient in Deg Celsius | -55.0 TO 155.0 |
| Style Designator | AXIAL TERMINAL EACH END |
| Power Dissipation Rating in Watts | 0.250 FREE AIR |
| Ambient Temp at Full Rated Power | 70.0 CELSIUS DEGC |
| Body Length | 0.248 INCHES NOMINAL IN |
| Ambient Temp in Deg Celsius at Zero Percent Rated Power | 155.0 |
| 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 |
|---|---|
| 29-000176 | Acterna Llc Dba Jdsu (USA) |
| 5033YD49R90F | Philips Consumer Lifestyle B.v. (NLD) |
| MF55D49R9F PRIMARY | Koa Speer Electronics Inc (USA) |
NSN 5905-01-515-3973 is a Resistor,fixed,film, manufactured by Koa Speer Electronics Inc, classified under FSC 5905, Resistor. Status: active.
NSN 5905-01-515-3973 has 3 manufacturer part numbers on file: 29-000176 (Acterna Llc Dba Jdsu), 5033YD49R90F (Philips Consumer Lifestyle B.v.), MF55D49R9F (Koa Speer Electronics Inc).
Key specifications for MF55D49R9F: Resistance Tolerance in Percent: -1.000 TO 1.000; Body Diameter: 0.091 INCHES NOMINAL IN; Electrical Resistance: 49.900 OHMS; Inclosure Type: ENCAPSULATED. 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.