The Fuseholder,block, cataloged under National Stock Number 5920-01-138-0548, is classified within Federal Supply Class 5920 (Fuses, Arrestors, Absorbers, and Protectors) of the Electrical and Electronic Equipment Components group. Government technical data includes 17 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5920-01-138-0548 |
| Item Name | Fuseholder,block |
| FSC / FSG | 5920 / 59 — Fuses, Arrestors, Absorbers, and Protectors |
| Status | ACTIVE |
| Accommodated Fuse Length | 1.375 INCHES NOMINAL IN |
| Mounting Hole Quantity | 2 |
| Body Style | SIDE BARRIER TYPE |
| Internal Circuit Configuration and Pole Quantity | 3 POLE, MAINLINE, FUSED |
| Mounting Hole Style | IN-LINE ALONG THE WIDTH |
| Coating Method | PLATED CONTACT |
| Voltage in Volts | 500.0 |
| Mounting Hole Diameter | 0.281 INCHES NOMINAL IN |
| Accommodated Ferrule Diameter | 0.406 INCHES NOMINAL IN |
| Fuse Terminal Type Accommodated | FERRULE |
| Surface Treatment | NICKEL CONTACT |
| Current Carrying Rating in Amps | 100.0 |
| Center to Center Distance Between Outside Mounting Holes Along Width | 3.375 INCHES NOMINAL IN |
| Base Thickness | 1.150 INCHES NOMINAL IN |
| Material | COPPER CONTACT |
| Terminal Type and Quantity | 6 TAB, SOLDER LUG |
| Fuse Accommodation Quantity | 3 |
| 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 |
|---|---|
| 655D258G03 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5920-01-138-0548 is a Fuseholder,block, classified under FSC 5920, Fuses, Arrestors, Absorbers, and Protectors. Status: active.
Key specifications for 5920-01-138-0548: Accommodated Fuse Length: 1.375 INCHES NOMINAL IN; Mounting Hole Quantity: 2; Overall Height: 3.500 INCHES NOMINAL IN; Body Style: SIDE BARRIER TYPE. 17 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.