The Resistor,fixed,film, cataloged under National Stock Number 5905-01-644-0523, is classified within Federal Supply Class 5905 (Resistor) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Vishay Americas. Government technical data includes 12 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5905-01-644-0523 |
| Primary Part Number | RLR07C4R75FS |
| Item Name | Resistor,fixed,film |
| FSC / FSG | 5905 / 59 — Resistor |
| Manufacturer | Vishay Americas |
| Status | ACTIVE |
| Resistance Tolerance in Percent | -1.0 TO 1.0 |
| Body Diameter | 0.090 INCHES NOMINAL IN |
| Electrical Resistance | 4.75 OHMS |
| Inclosure Type | ENCAPSULATED |
| Terminal Type | WIRE LEAD |
| Style Designator | AXIAL TERMINAL EACH END |
| Reliability Failure Rate Level in Percent | 0.001 |
| Power Dissipation Rating in Watts | 0.25 FREE AIR |
| Ambient Temp at Full Rated Power | 70.0 CELSIUS DEGC |
| Body Length | 0.250 INCHES NOMINAL IN |
| Ambient Temp in Deg Celsius at Zero Percent Rated Power | 150.0 |
| Reliability Indicator | 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 |
|---|---|
| RLR07C4R75FS PRIMARY | Vishay Americas (USA) |
| Reference | Meaning |
|---|---|
| MIL-PRF-39017 | 4/1 Identification reference U.S. Government activity |
NSN 5905-01-644-0523 is a Resistor,fixed,film, manufactured by Vishay Americas, classified under FSC 5905, Resistor. Status: active.
NSN 5905-01-644-0523 has 1 manufacturer part number on file: RLR07C4R75FS (Vishay Americas).
2 possible matches (shared part number, not a government interchangeability claim): 5905-01-681-4826, 5905-01-681-5103. Verify interchangeability with system specifications before substitution.
Key specifications for RLR07C4R75FS: Resistance Tolerance in Percent: -1.0 TO 1.0; Body Diameter: 0.090 INCHES NOMINAL IN; Electrical Resistance: 4.75 OHMS; Inclosure Type: ENCAPSULATED. 12 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.