The Resistor,fixed,film, cataloged under National Stock Number 5905-01-422-4780, 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 10 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5905-01-422-4780 |
| Primary Part Number | RK73H2B49R9FT |
| Item Name | Resistor,fixed,film |
| FSC / FSG | 5905 / 59 — Resistor |
| Manufacturer | Koa Speer Electronics Inc |
| Status | ACTIVE |
| Resistance Tolerance in Percent | -0.100 TO 0.100 |
| Electrical Resistance | 49.900 OHMS |
| Inclosure Type | ENCASED |
| Terminal Type | TERMINAL TYPE PER BODY STYLE |
| Body Width | 0.057 INCHES MINIMUM AND 0.069 INCHES MAXIMUM IN |
| Body Height | 0.018 INCHES MINIMUM AND 0.030 INCHES MAXIMUM IN |
| Style Designator | TERMINATION PAD EACH END |
| Power Dissipation Rating in Watts | 0.125 FREE AIR |
| Body Length | 0.120 INCHES MINIMUM AND 0.132 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 |
|---|---|
| RK73H2B49R9FT | Koa Speer Electronics Inc (USA) |
| Reference | Meaning |
|---|---|
| 321-5194-00 | 3/2 Design control — primary reference U.S. Government activity |
| CRCW-1206-49R-90 | 5/9 Secondary reference U.S. Government activity |
NSN 5905-01-422-4780 is a Resistor,fixed,film, manufactured by Koa Speer Electronics Inc, classified under FSC 5905, Resistor. Status: active.
NSN 5905-01-422-4780 has 1 manufacturer part number on file: RK73H2B49R9FT (Koa Speer Electronics Inc).
Key specifications for RK73H2B49R9FT: Resistance Tolerance in Percent: -0.100 TO 0.100; Electrical Resistance: 49.900 OHMS; Inclosure Type: ENCASED; Terminal Type: TERMINAL TYPE PER BODY STYLE. 10 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.