The Fuseholder,extractor Post, cataloged under National Stock Number 5920-01-063-9116, 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 Littelfuse, Inc.. Government technical data includes 23 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5920-01-063-9116 |
| Primary Part Number | X-6858 |
| Item Name | Fuseholder,extractor Post |
| FSC / FSG | 5920 / 59 — Fuses, Arrestors, Absorbers, and Protectors |
| Manufacturer | Littelfuse, 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 | 0.781 INCHES NOMINAL IN |
| Length From Front Protrusion to Mounting Surface | 0.781 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 |
| Cap Diameter | 0.688 INCHES NOMINAL IN |
| Bushing Hole Diameter | 0.680 INCHES MINIMUM AND 0.690 INCHES MAXIMUM IN |
| Surface Treatment | TIN AND SOLDER TERMINAL |
| Environmental Protection | FUNGUS PROOF |
| Current Carrying Rating in Amps | 30.0 |
| Material | COPPER ALLOY 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 | 0.625 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 |
|---|---|
| X-6858 | Littelfuse, Inc. (USA) |
| Reference | Meaning |
|---|---|
| HRK00-007 | 3/9 Design control — primary reference U.S. Government activity |
NSN 5920-01-063-9116 is a Fuseholder,extractor Post, manufactured by Littelfuse, Inc., classified under FSC 5920, Fuses, Arrestors, Absorbers, and Protectors. Status: active.
NSN 5920-01-063-9116 has 1 manufacturer part number on file: X-6858 (Littelfuse, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 7025-01-529-5114. Verify interchangeability with system specifications before substitution.
Key specifications for X-6858: 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. 23 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.