The Resistor,fixed,film, cataloged under National Stock Number 5905-01-249-7856, is classified within Federal Supply Class 5905 (Resistor) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Vishay Intertechnology, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5905-01-249-7856 |
| Primary Part Number | NA55-2.55KPORM0.5PCT |
| Item Name | Resistor,fixed,film |
| FSC / FSG | 5905 / 59 — Resistor |
| Manufacturer | Vishay Intertechnology, Inc. |
| Status | ACTIVE |
| Resistance Tolerance in Percent | -0.500 TO 0.500 |
| Body Diameter | 0.090 INCHES NOMINAL IN |
| Electrical Resistance | 2.550 KILOHMS |
| Inclosure Type | ENCAPSULATED |
| Terminal Type | WIRE LEAD |
| Style Designator | AXIAL TERMINAL EACH END |
| Power Dissipation Rating in Watts | 0.125 FREE AIR |
| Ambient Temp at Full Rated Power | 70.0 CELSIUS DEGC |
| Body Length | 0.281 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 |
|---|---|
| NA55-2.55KPORM0.5PCT PRIMARY | Vishay Intertechnology, Inc. (USA) |
| Reference | Meaning |
|---|---|
| NA55-2.55KPORM0.5PCT | 5/9 Secondary reference Corning Glass Works |
NSN 5905-01-249-7856 is a Resistor,fixed,film, manufactured by Vishay Intertechnology, Inc., classified under FSC 5905, Resistor. Status: active.
NSN 5905-01-249-7856 has 1 manufacturer part number on file: NA55-2.55KPORM0.5PCT (Vishay Intertechnology, Inc.).
Key specifications for NA55-2.55KPORM0.5PCT: Resistance Tolerance in Percent: -0.500 TO 0.500; Body Diameter: 0.090 INCHES NOMINAL IN; Electrical Resistance: 2.550 KILOHMS; Inclosure Type: ENCAPSULATED. 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.