The Fuseholder,block, cataloged under National Stock Number 5920-01-026-9644, 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 Cooper Bussmann, Llc Dba Cooper Industries. Government technical data includes 12 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5920-01-026-9644 |
| Primary Part Number | BMM603-2C |
| Item Name | Fuseholder,block |
| FSC / FSG | 5920 / 59 — Fuses, Arrestors, Absorbers, and Protectors |
| Manufacturer | Cooper Bussmann, Llc Dba Cooper Industries |
| Status | ACTIVE |
| Accommodated Fuse Length | 1.500 INCHES NOMINAL IN |
| Mounting Hole Quantity | 2 |
| Body Style | SIDE BARRIER TYPE |
| Internal Circuit Configuration and Pole Quantity | 2 POLE, MAINLINE, FUSED |
| Mounting Hole Style | IN-LINE ALONG THE WIDTH |
| Voltage in Volts | 600.0 |
| Accommodated Ferrule Diameter | 0.406 INCHES NOMINAL IN |
| Fuse Terminal Type Accommodated | FERRULE |
| Current Carrying Rating in Amps | 30.0 |
| Material | COPPER ALLOY CONTACT |
| Terminal Type and Quantity | 4 COMPRESSION |
| Fuse Accommodation Quantity | 2 |
| 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 |
|---|---|
| 2138359G1 | L3harris Technologies, Inc. (USA) |
| BMM603-2C PRIMARY | Cooper Bussmann, Llc Dba Cooper Industries (USA) |
| Reference | Meaning |
|---|---|
| BM6032B | 5/9 Secondary reference Cooper Bussmann, Llc Dba Cooper Industries |
| 2811 | 5/9 Secondary reference Cooper Bussmann, Llc Dba Cooper Industries |
NSN 5920-01-026-9644 is a Fuseholder,block, manufactured by Cooper Bussmann, Llc Dba Cooper Industries, classified under FSC 5920, Fuses, Arrestors, Absorbers, and Protectors. Status: active.
NSN 5920-01-026-9644 has 2 manufacturer part numbers on file: 2138359G1 (L3harris Technologies, Inc.), BMM603-2C (Cooper Bussmann, Llc Dba Cooper Industries).
3 possible matches (shared part number, not a government interchangeability claim): 5935-01-111-7195, 5895-01-226-2427, 7025-01-559-3197. Verify interchangeability with system specifications before substitution.
Key specifications for BMM603-2C: Accommodated Fuse Length: 1.500 INCHES NOMINAL IN; Mounting Hole Quantity: 2; Overall Height: 1.219 INCHES NOMINAL IN; Body Style: SIDE BARRIER TYPE. 12 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.