The Fuseholder,block, cataloged under National Stock Number 5920-01-722-0589, 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 Naval Sea Systems Command. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | Fuseholder,block |
| FSC / FSG | 5920 — Fuses, Arrestors, Absorbers, and Protectors (FSG 59) |
| Manufacturers | Naval Sea Systems Command (CAGE 53711) |
| Parameter | Value |
|---|---|
| NSN | 5920-01-722-0589 |
| Primary Part Number | 564-8838592-7124 |
| Item Name | Fuseholder,block |
| FSC / FSG | 5920 / 59 — Fuses, Arrestors, Absorbers, and Protectors |
| Manufacturer | Naval Sea Systems Command |
| 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 |
|---|---|
| 564-8838592-7124 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| LOA035140-7124 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| R6516301-7124 | 5/2 Secondary reference U.S. Government activity |
| FHL10G,MOD | 4/1 Identification reference U.S. Government activity |
| 218128613 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 8838592/ PG25 | C/1 Advisory reference — outside the item-of-supply concept Naval Sea Systems Command |
| 8838592 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 5920-01-722-0589 is a Fuseholder,block, manufactured by Naval Sea Systems Command, classified under FSC 5920, Fuses, Arrestors, Absorbers, and Protectors. Status: active.
NSN 5920-01-722-0589 has 1 manufacturer part number on file: 564-8838592-7124 (Naval Sea Systems Command).
1 possible match (shared part number, not a government interchangeability claim): 5920-01-722-2706. 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.