The Resistor,chip,fixed,film, cataloged under National Stock Number 5905-01-678-2278, 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. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Resistor,chip,fixed,film |
| FSC / FSG | 5905 — Resistor (FSG 59) |
| Manufacturers | Koa Speer Electronics Inc (CAGE 59124); International Manufacturing Services, Inc (CAGE 4S177); Mini-Systems, Inc. Dba Mini-Systems Inc of Massachusetts Div Thick Film Division (CAGE 50316) |
| Parameter | Value |
|---|---|
| NSN | 5905-01-678-2278 |
| Primary Part Number | RK73B3ALTD61RDF |
| Item Name | Resistor,chip,fixed,film |
| FSC / FSG | 5905 / 59 — Resistor |
| Manufacturer | Koa Speer Electronics Inc |
| Status | ACTIVE |
| 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 |
|---|---|
| RK73B3ALTD61RDF PRIMARY | Koa Speer Electronics Inc (USA) |
| RCC251261RDF PRIMARY | International Manufacturing Services, Inc (USA) |
| WA89PS61R9FNS60 PRIMARY | Mini-Systems, Inc. Dba Mini-Systems Inc of Massachusetts Div Thick Film Division (USA) |
| Reference | Meaning |
|---|---|
| 1008894P | D/9 Drawing number reference only U.S. Government activity |
| 1008894P-61R9F | 7/2 Vendor item drawing reference U.S. Government activity |
| CRCW25121K00FKTG61RDF | 3/2 Design control — primary reference U.S. Government activity |
NSN 5905-01-678-2278 is a Resistor,chip,fixed,film, manufactured by Koa Speer Electronics Inc, classified under FSC 5905, Resistor. Status: active.
NSN 5905-01-678-2278 has 3 manufacturer part numbers on file: RK73B3ALTD61RDF (Koa Speer Electronics Inc), RCC251261RDF (International Manufacturing Services, Inc), WA89PS61R9FNS60 (Mini-Systems, Inc. Dba Mini-Systems Inc of Massachusetts Div Thick Film Division).
1 possible match (shared part number, not a government interchangeability claim): 5905-01-678-2281. Verify interchangeability with system specifications before substitution.
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.