The Fuseholder,block, cataloged under National Stock Number 5920-00-548-3789, 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 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 20 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5920-00-548-3789 |
| Primary Part Number | 1021070 |
| Item Name | Fuseholder,block |
| FSC / FSG | 5920 / 59 — Fuses, Arrestors, Absorbers, and Protectors |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Accommodated Fuse Length | 1.250 INCHES NOMINAL IN |
| Mounting Hole Quantity | 2 |
| Body Style | PLAIN BASE W/O BARRIERS |
| Internal Circuit Configuration and Pole Quantity | 4 POLE, MAINLINE, FUSED |
| Mounting Hole Style | IN-LINE ALONG THE LENGTH |
| Coating Method | PLATED CONTACT |
| Body Height | 0.650 INCHES NOMINAL IN |
| Center to Center Distance Between Outside Mounting Holes Along Length | 2.000 INCHES NOMINAL IN |
| Voltage in Volts | 250.0 |
| Mounting Hole Diameter | 0.281 INCHES NOMINAL IN |
| Accommodated Ferrule Diameter | 0.250 INCHES NOMINAL IN |
| Fuse Terminal Type Accommodated | FERRULE |
| Surface Treatment | NICKEL CONTACT |
| Current Carrying Rating in Amps | 10.0 |
| Base Thickness | 0.125 INCHES NOMINAL IN |
| Material | PLASTIC BODY |
| Material | COPPER ALLOY CONTACT |
| Material | COPPER ALLOY TERMINAL |
| Terminal Type and Quantity | 8 TAB, SOLDER LUG |
| Fuse Accommodation Quantity | 4 |
| 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 |
|---|---|
| BP4136 | Burke Products Inc (USA) |
| 1021070 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| 1021070 | 5/9 Secondary reference Burke Products Inc |
| 1021070 | 5/9 Secondary reference Arma Div Ambac Industries Inc |
NSN 5920-00-548-3789 is a Fuseholder,block, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5920, Fuses, Arrestors, Absorbers, and Protectors. Status: active.
NSN 5920-00-548-3789 has 2 manufacturer part numbers on file: BP4136 (Burke Products Inc), 1021070 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-137-8045. Verify interchangeability with system specifications before substitution.
Key specifications for 1021070: Accommodated Fuse Length: 1.250 INCHES NOMINAL IN; Mounting Hole Quantity: 2; Body Style: PLAIN BASE W/O BARRIERS; Internal Circuit Configuration and Pole Quantity: 4 POLE, MAINLINE, FUSED. 20 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.