The Fuseholder,block, cataloged under National Stock Number 5920-01-024-4799, 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 L3harris Interstate Electronics Corporation. Government technical data includes 15 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5920-01-024-4799 |
| Primary Part Number | 499-051-009 |
| Item Name | Fuseholder,block |
| FSC / FSG | 5920 / 59 — Fuses, Arrestors, Absorbers, and Protectors |
| Manufacturer | L3harris Interstate Electronics Corporation |
| Status | ACTIVE |
| Accommodated Fuse Length | 1.250 INCHES NOMINAL IN |
| Mounting Hole Quantity | 8 |
| Body Style | CENTER BARRIER TYPE |
| Internal Circuit Configuration and Pole Quantity | 8 POLE, MAINLINE, FUSED |
| Mounting Hole Style | IN-LINE ALONG THE WIDTH |
| Voltage in Volts | 250.0 |
| Accommodated Ferrule Diameter | 0.250 INCHES NOMINAL IN |
| Fuse Terminal Type Accommodated | FERRULE |
| Current Carrying Rating in Amps | 30.0 |
| Center to Center Distance Between Outside Mounting Holes Along Width | 6.125 INCHES NOMINAL IN |
| Base Thickness | 0.238 INCHES MINIMUM AND 0.262 INCHES MAXIMUM IN |
| Material | COPPER ALLOY CONTACT |
| Material | PLASTIC PHENOLIC BODY |
| Terminal Type and Quantity | 16 SCREW |
| Fuse Accommodation Quantity | 8 |
| 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 |
|---|---|
| 499-051-009 PRIMARY | L3harris Interstate Electronics Corporation (USA) |
| 3833-8 | Cooper Bussmann, Llc Dba Cooper Industries (USA) |
| Reference | Meaning |
|---|---|
| 4697309P21 | 5/9 Secondary reference U.S. Government activity |
NSN 5920-01-024-4799 is a Fuseholder,block, manufactured by L3harris Interstate Electronics Corporation, classified under FSC 5920, Fuses, Arrestors, Absorbers, and Protectors. Status: active.
NSN 5920-01-024-4799 has 2 manufacturer part numbers on file: 499-051-009 (L3harris Interstate Electronics Corporation), 3833-8 (Cooper Bussmann, Llc Dba Cooper Industries).
1 possible match (shared part number, not a government interchangeability claim): 5325-01-205-9514. Verify interchangeability with system specifications before substitution.
Key specifications for 499-051-009: Accommodated Fuse Length: 1.250 INCHES NOMINAL IN; Mounting Hole Quantity: 8; Overall Height: 0.659 INCHES MINIMUM AND 0.679 INCHES MAXIMUM IN; Body Style: CENTER BARRIER TYPE. 15 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.