The Resistor,fixed,wire Wound, cataloged under National Stock Number 5905-00-101-1550, is classified within Federal Supply Class 5905 (Resistor) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Clarostat Sensors and Controls. Government technical data includes 11 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5905-00-101-1550 |
| Primary Part Number | FYG25 |
| Item Name | Resistor,fixed,wire Wound |
| FSC / FSG | 5905 / 59 — Resistor |
| Manufacturer | Clarostat Sensors and Controls |
| Status | ACTIVE |
| Resistance Tolerance in Percent | -2.000 TO 2.000 |
| Body Diameter | 0.125 INCHES NOMINAL IN |
| Electrical Resistance | 25.000 OHMS |
| Inclosure Type | ENCAPSULATED |
| Terminal Type | WIRE LEAD |
| Style Designator | AXIAL TERMINAL EACH END |
| Power Dissipation Rating in Watts | 2.000 FREE AIR |
| Ambient Temp at Full Rated Power | 40.0 CELSIUS DEGC |
| Body Length | 1.500 INCHES NOMINAL IN |
| Ambient Temp in Deg Celsius at Zero Percent Rated Power | 185.0 |
| 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 |
|---|---|
| FYG25 | Clarostat Sensors and Controls (USA) |
| Reference | Meaning |
|---|---|
| FYG | 3/1 Design control — primary reference Clarostat Sensors and Controls |
NSN 5905-00-101-1550 is a Resistor,fixed,wire Wound, manufactured by Clarostat Sensors and Controls, classified under FSC 5905, Resistor. Status: active.
NSN 5905-00-101-1550 has 1 manufacturer part number on file: FYG25 (Clarostat Sensors and Controls).
1 possible match (shared part number, not a government interchangeability claim): 5905-00-666-0857. Verify interchangeability with system specifications before substitution.
Key specifications for FYG25: Resistance Tolerance in Percent: -2.000 TO 2.000; Body Diameter: 0.125 INCHES NOMINAL IN; Electrical Resistance: 25.000 OHMS; Inclosure Type: ENCAPSULATED. 11 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.