The Fuseholder,extractor Post, cataloged under National Stock Number 5920-01-290-3770, is classified within Federal Supply Class 5920 (Fuses, Arrestors, Absorbers, and Protectors) of the Electrical and Electronic Equipment Components group. Government technical data includes 28 specifications, cited from the U.S. Government catalog. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5920-01-290-3770 |
| Item Name | Fuseholder,extractor Post |
| FSC / FSG | 5920 / 59 — Fuses, Arrestors, Absorbers, and Protectors |
| Status | ACTIVE |
| Resistor Rating | 330.0 KILOHMS |
| Accommodated Fuse Length | 1.250 INCHES NOMINAL IN |
| Mounting Hole Quantity | 1 |
| Screw Thread Quantity Per Inch | 32.0 |
| Flatted Side Bushing Hole Length | 0.816 INCHES MINIMUM AND 0.826 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-S-365 FED SPEC SINGLE TREATMENT RESPONSE CONTACT |
| Body Style | BUSHING MOUNTED TYPE |
| Lens Color | AMBER |
| Mounting Hole Style | BUSHING MOUNTING |
| Overall Diameter | 1.260 INCHES NOMINAL IN |
| Precious Material | SILVER |
| Length From Front Protrusion to Mounting Surface | 0.940 INCHES NOMINAL IN |
| Voltage in Volts | 250.0 |
| Interruption Indicator Method | NEON LAMP |
| Panel Thickness | 0.060 INCHES NOMINAL IN |
| Specification/standard Data | 81349-MIL-F-19207/21 GOVERNMENT SPECIFICATION |
| Accommodated Ferrule Diameter | 0.250 INCHES NOMINAL IN |
| Fuse Terminal Type Accommodated | FERRULE |
| Cap Diameter | 1.000 INCHES NOMINAL IN |
| Screw Thread Diameter | 0.138 INCHES NOMINAL IN |
| Bushing Hole Diameter | 0.877 INCHES MINIMUM AND 0.882 INCHES MAXIMUM IN |
| Surface Treatment | SILVER CONTACT |
| Environmental Protection | WATERTIGHT |
| Current Carrying Rating in Amps | 30.0 |
| Precious Material and Location | CONTACT SURFACES SILVER |
| Test Data Document | 81349-MIL-F-19207 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.). |
| Material | COPPER CONTACT |
| Terminal Type and Quantity | 1 THREADED STUD AND 1 SCREW |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| MIL-F-19207/21 | 5/9 Secondary reference U.S. Government activity |
| FHL32W-02 | 2/2 Government specification standardization U.S. Government activity |
| MIL-PRF-19207/21 | 4/1 Identification reference U.S. Government activity |
| 5920PL0811954 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| FHL32W-28 | 5/9 Secondary reference Comsaco, Llc Dba Comsaco Inc |
| 404110-35 | 5/9 Secondary reference Comsaco, Llc Dba Comsaco Inc |
NSN 5920-01-290-3770 is a Fuseholder,extractor Post, classified under FSC 5920, Fuses, Arrestors, Absorbers, and Protectors. Status: active.
4 possible matches (shared part number, not a government interchangeability claim): 5920-01-311-6261, 5920-01-517-8474, 5920-01-537-3921. Verify interchangeability with system specifications before substitution.
Key specifications for 5920-01-290-3770: Resistor Rating: 330.0 KILOHMS; Accommodated Fuse Length: 1.250 INCHES NOMINAL IN; Mounting Hole Quantity: 1; Screw Thread Quantity Per Inch: 32.0. 28 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.