The Fuseholder,extractor Post, cataloged under National Stock Number 5920-01-086-3258, is classified within Federal Supply Class 5920 (Fuses, Arrestors, Absorbers, and Protectors) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Beseler, Charles Co Inc. Government technical data includes 22 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5920-01-086-3258 |
| Primary Part Number | 10-21634 |
| Item Name | Fuseholder,extractor Post |
| FSC / FSG | 5920 / 59 — Fuses, Arrestors, Absorbers, and Protectors |
| Manufacturer | Beseler, Charles Co Inc |
| Status | ACTIVE |
| Accommodated Fuse Length | 1.250 INCHES NOMINAL IN |
| Mounting Hole Quantity | 1 |
| Flatted Side Bushing Hole Length | 0.440 INCHES MINIMUM AND 0.452 INCHES MAXIMUM IN |
| Body Style | BUSHING MOUNTED TYPE |
| Mounting Hole Style | BUSHING MOUNTING |
| Overall Diameter | 0.688 INCHES NOMINAL IN |
| Length From Front Protrusion to Mounting Surface | 0.704 INCHES NOMINAL IN |
| Voltage in Volts | 250.0 |
| Material Document and Classification | MIL-M-14, TYPE CFG MIL SPEC SINGLE MATERIAL RESPONSE BODY |
| Bushing Diameter | 0.500 INCHES NOMINAL IN |
| Accommodated Ferrule Diameter | 0.250 INCHES NOMINAL IN |
| Fuse Terminal Type Accommodated | FERRULE |
| Bushing Hole Diameter | 0.680 INCHES MINIMUM AND 0.690 INCHES MAXIMUM IN |
| Surface Treatment | TIN TERMINAL |
| Environmental Protection | FUNGUS PROOF |
| Current Carrying Rating in Amps | 20.0 |
| Material | COPPER CONTACT |
| Material | PLASTIC PHENOLIC AND CELLULOSE BODY |
| Material | COPPER ALLOY TERMINAL |
| Terminal Type and Quantity | 2 TAB, SOLDER LUG |
| Fuse Accommodation Quantity | 1 |
| Bushing Thread Length | 0.438 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 10-21634 PRIMARY | Beseler, Charles Co Inc (USA) |
| Reference | Meaning |
|---|---|
| 600-60-07 | 5/1 Secondary reference Beseler, Charles Co Inc |
NSN 5920-01-086-3258 is a Fuseholder,extractor Post, manufactured by Beseler, Charles Co Inc, classified under FSC 5920, Fuses, Arrestors, Absorbers, and Protectors. Status: active.
NSN 5920-01-086-3258 has 1 manufacturer part number on file: 10-21634 (Beseler, Charles Co Inc).
Key specifications for 10-21634: Accommodated Fuse Length: 1.250 INCHES NOMINAL IN; Mounting Hole Quantity: 1; Flatted Side Bushing Hole Length: 0.440 INCHES MINIMUM AND 0.452 INCHES MAXIMUM IN; Body Style: BUSHING MOUNTED TYPE. 22 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.