The Fuse,enclosed Link, cataloged under National Stock Number 5920-01-688-8453, 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 Littelfuse, Inc.. The record lists 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Fuse,enclosed Link |
| FSC / FSG | 5920 — Fuses, Arrestors, Absorbers, and Protectors (FSG 59) |
| Manufacturers | Littelfuse, Inc. (CAGE 75915); Naval Sea Systems Command (CAGE 53711) |
| Parameter | Value |
|---|---|
| NSN | 5920-01-688-8453 |
| Primary Part Number | 045303.5MR |
| Item Name | Fuse,enclosed Link |
| FSC / FSG | 5920 / 59 — Fuses, Arrestors, Absorbers, and Protectors |
| Manufacturer | Littelfuse, Inc. |
| Status | ACTIVE |
| 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 |
|---|---|
| 045303.5MR PRIMARY | Littelfuse, Inc. (USA) |
| PL8625621-1 SHEET 2 FIND 19 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 8625621 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 5920-01-688-8453 is a Fuse,enclosed Link, manufactured by Littelfuse, Inc., classified under FSC 5920, Fuses, Arrestors, Absorbers, and Protectors. Status: active.
NSN 5920-01-688-8453 has 2 manufacturer part numbers on file: 045303.5MR (Littelfuse, Inc.), PL8625621-1 SHEET 2 FIND 19 (Naval Sea Systems Command).
1 possible match (shared part number, not a government interchangeability claim): 5920-01-689-1251. Verify interchangeability with system specifications before substitution.
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.