The Resistor,fixed,wire Wound, cataloged under National Stock Number 5905-00-939-0545, is classified within Federal Supply Class 5905 (Resistor) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 9 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government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 | 5905-00-939-0545 |
| Primary Part Number | 64A6A22-406R25A21 |
| Item Name | Resistor,fixed,wire Wound |
| FSC / FSG | 5905 / 59 — Resistor |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Resistance Tolerance in Percent | -0.050 TO 0.050 |
| Body Diameter | 0.093 INCHES MAXIMUM IN |
| Electrical Resistance | 406.250 OHMS |
| Inclosure Type | ENCAPSULATED |
| Terminal Type | WIRE LEAD |
| Style Designator | AXIAL TERMINAL EACH END |
| Power Dissipation Rating in Watts | 0.400 FREE AIR |
| Body Length | 0.300 INCHES MAXIMUM IN |
| 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 |
|---|---|
| 64A6A22-406R25A21 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| MRS1-4 6 | 5/9 Secondary reference U.S. Government activity |
| TS1-4W | 5/1 Secondary reference Tepro of Florida, Inc. Dba Tepro of Florida Div Tepro of Florida |
| RS-1/4-6 40625OHMS.05PCT | 5/2 Secondary reference U.S. Government activity |
| R1127 | 5/1 Secondary reference Shallcross Inc |
| CC10A | 5/9 Secondary reference Ultronix Inc |
NSN 5905-00-939-0545 is a Resistor,fixed,wire Wound, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5905, Resistor. Status: active.
NSN 5905-00-939-0545 has 1 manufacturer part number on file: 64A6A22-406R25A21 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
5 possible matches (shared part number, not a government interchangeability claim): 5905-00-993-8280, 5905-00-993-8281, 5905-00-993-8293. Verify interchangeability with system specifications before substitution.
Key specifications for 64A6A22-406R25A21: Resistance Tolerance in Percent: -0.050 TO 0.050; Body Diameter: 0.093 INCHES MAXIMUM IN; Electrical Resistance: 406.250 OHMS; Inclosure Type: ENCAPSULATED. 9 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.