The Resistor,chip,fixed,film, cataloged under National Stock Number 5905-01-657-8710, 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Resistor,chip,fixed,film |
| FSC / FSG | 5905 — Resistor (FSG 59) |
| Manufacturers | Koa Speer Electronics Inc (CAGE 59124); Panasonic Industrial Co Affil of Matsushita Electric Corp of America (CAGE 0J4G8); International Resistive Company of Texas, Llc Dba Advanced Film Division Div International Resistive Company of Texas Lp (CAGE 57027) |
| Parameter | Value |
|---|---|
| NSN | 5905-01-657-8710 |
| Primary Part Number | RK73H1ETTP51R1F |
| 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 |
|---|---|
| RK73H1ETTP51R1F PRIMARY | Koa Speer Electronics Inc (USA) |
| ERJ2RKF51R1X PRIMARY | Panasonic Industrial Co Affil of Matsushita Electric Corp of America (USA) |
| WCR040251R1FPLT PRIMARY | International Resistive Company of Texas, Llc Dba Advanced Film Division Div International Resistive Company of Texas Lp (USA) |
| Reference | Meaning |
|---|---|
| H312103-A51R1FY | 7/2 Vendor item drawing reference Raytheon Company Div Corp |
| H312103 | D/9 Drawing number reference only Raytheon Company Div Corp |
| CRCW0402251R1FED | 3/2 Design control — primary reference U.S. Government activity |
NSN 5905-01-657-8710 is a Resistor,chip,fixed,film, manufactured by Koa Speer Electronics Inc, classified under FSC 5905, Resistor. Status: active.
NSN 5905-01-657-8710 has 3 manufacturer part numbers on file: RK73H1ETTP51R1F (Koa Speer Electronics Inc), ERJ2RKF51R1X (Panasonic Industrial Co Affil of Matsushita Electric Corp of America), WCR040251R1FPLT (International Resistive Company of Texas, Llc Dba Advanced Film Division Div International Resistive Company of Texas Lp).
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.