The Fuseholder,block, cataloged under National Stock Number 5920-00-729-3733, 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 O.c.e.m. Acquisition Corp. Dba Multi Electric Mfg., Inc.. Government technical data includes 10 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5920-00-729-3733 |
| Primary Part Number | 2521 |
| Item Name | Fuseholder,block |
| FSC / FSG | 5920 / 59 — Fuses, Arrestors, Absorbers, and Protectors |
| Manufacturer | O.c.e.m. Acquisition Corp. Dba Multi Electric Mfg., Inc. |
| Status | ACTIVE |
| Accommodated Fuse Length | 5.500 INCHES NOMINAL IN |
| Internal Circuit Configuration and Pole Quantity | 1 POLE, MAINLINE, FUSED |
| Voltage in Volts | 600.0 |
| Accommodated Ferrule Diameter | 0.750 INCHES NOMINAL IN |
| Fuse Terminal Type Accommodated | FERRULE |
| Current Carrying Rating in Amps | 60.0 |
| Material | COPPER ALLOY CONTACT |
| Material | CERAMIC BODY |
| Terminal Type and Quantity | 2 SCREW |
| Fuse Accommodation Quantity | 1 |
| 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 |
|---|---|
| 2521 PRIMARY | O.c.e.m. Acquisition Corp. Dba Multi Electric Mfg., Inc. (USA) |
| Reference | Meaning |
|---|---|
| 2521 | 3/9 Design control — primary reference U.S. Government activity |
NSN 5920-00-729-3733 is a Fuseholder,block, manufactured by O.c.e.m. Acquisition Corp. Dba Multi Electric Mfg., Inc., classified under FSC 5920, Fuses, Arrestors, Absorbers, and Protectors. Status: active.
NSN 5920-00-729-3733 has 1 manufacturer part number on file: 2521 (O.c.e.m. Acquisition Corp. Dba Multi Electric Mfg., Inc.).
Key specifications for 2521: Accommodated Fuse Length: 5.500 INCHES NOMINAL IN; Internal Circuit Configuration and Pole Quantity: 1 POLE, MAINLINE, FUSED; Voltage in Volts: 600.0; Accommodated Ferrule Diameter: 0.750 INCHES NOMINAL IN. 10 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.