The Resistor,chip,fixed,film, cataloged under National Stock Number 5905-01-666-0656, 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 6 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5905-01-666-0656 |
| Primary Part Number | RK73H2BLTD49R9F |
| Item Name | Resistor,chip,fixed,film |
| FSC / FSG | 5905 / 59 — Resistor |
| Manufacturer | Koa Speer Electronics Inc |
| Status | ACTIVE |
| Resistance Tolerance in Percent | -1.0 TO 1.0 |
| Temp Coefficient of Resistance in Ppm Per Deg Celsius | -100.0 TO 100.0 |
| Electrical Resistance | 49.9 OHMS |
| Body Width | 1.6 MILLIMETERS NOMINAL MM |
| Body Height | 0.55 MILLIMETERS NOMINAL MM |
| Body Length | 3.2 MILLIMETERS NOMINAL MM |
| 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 |
|---|---|
| RK73H2BLTD49R9F PRIMARY | Koa Speer Electronics Inc (USA) |
| CRCW120649R9FKTA PRIMARY | Vishay Intertechnology, Inc. (USA) |
| Reference | Meaning |
|---|---|
| JL00221-164 | 7/9 Vendor item drawing reference U.S. Government activity |
| JL00221-164 | 7/2 Vendor item drawing reference Northrop Grumman Support Services Corp |
NSN 5905-01-666-0656 is a Resistor,chip,fixed,film, manufactured by Koa Speer Electronics Inc, classified under FSC 5905, Resistor. Status: active.
NSN 5905-01-666-0656 has 2 manufacturer part numbers on file: RK73H2BLTD49R9F (Koa Speer Electronics Inc), CRCW120649R9FKTA (Vishay Intertechnology, Inc.).
Key specifications for RK73H2BLTD49R9F: Resistance Tolerance in Percent: -1.0 TO 1.0; Temp Coefficient of Resistance in Ppm Per Deg Celsius: -100.0 TO 100.0; Electrical Resistance: 49.9 OHMS; Body Width: 1.6 MILLIMETERS NOMINAL MM. 6 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.