The Fuse,enclosed Link, cataloged under National Stock Number 5920-01-451-5576, 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 Deere & Company Dba Deere John Co. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5920-01-451-5576 |
| Primary Part Number | 57M7121 |
| Item Name | Fuse,enclosed Link |
| FSC / FSG | 5920 / 59 — Fuses, Arrestors, Absorbers, and Protectors |
| Manufacturer | Deere & Company Dba Deere John Co |
| Status | ACTIVE |
| Continuous Current Rating in Amps | 10.000 |
| Circuit Over-Current Interruption Type | NORMAL INSTANTANEOUS |
| 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 |
|---|---|
| 57M7121 | Rdo Equipment Rdo Equipment Pty Ltd (AUS) |
| 57M7121 PRIMARY | Deere & Company Dba Deere John Co (USA) |
| 57M7121 | Hitachi Construction Machinery Aust Australia Pty Ltd Hitachi Construction Machinery (AUS) |
| Reference | Meaning |
|---|---|
| 57M7121 | 5/9 Secondary reference John Deere Construction & Forestry Company Div Direct Governmental Sales |
NSN 5920-01-451-5576 is a Fuse,enclosed Link, manufactured by Deere & Company Dba Deere John Co, classified under FSC 5920, Fuses, Arrestors, Absorbers, and Protectors. Status: active.
NSN 5920-01-451-5576 has 3 manufacturer part numbers on file: 57M7121 (Rdo Equipment Rdo Equipment Pty Ltd), 57M7121 (Deere & Company Dba Deere John Co), 57M7121 (Hitachi Construction Machinery Aust Australia Pty Ltd Hitachi Construction Machinery).
Key specifications for 57M7121: Continuous Current Rating in Amps: 10.000; Circuit Over-Current Interruption Type: NORMAL INSTANTANEOUS. 2 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.