The Fuseholder,block, cataloged under National Stock Number 5920-01-545-3124, 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 Navico Group Americas Llc Dba Power Products of Delaware, Llc Div Navico Group, Previously Power Products Llc. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5920-01-545-3124 |
| Primary Part Number | 5503 |
| Item Name | Fuseholder,block |
| FSC / FSG | 5920 / 59 — Fuses, Arrestors, Absorbers, and Protectors |
| Manufacturer | Navico Group Americas Llc Dba Power Products of Delaware, Llc Div Navico Group, Previously Power Products Llc |
| 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 |
|---|---|
| 5503 | Navico Group Americas Llc Dba Power Products of Delaware, Llc Div Navico Group, Previously Power Products Llc (USA) |
| Reference | Meaning |
|---|---|
| 5503 | 5/9 Secondary reference Blue Sea Systems, Inc. Dba Blue Sea Systems Div Blue Sea Systems |
| 5003 | 3/9 Design control — primary reference Blue Sea Systems, Inc. Dba Blue Sea Systems Div Blue Sea Systems |
NSN 5920-01-545-3124 is a Fuseholder,block, manufactured by Navico Group Americas Llc Dba Power Products of Delaware, Llc Div Navico Group, Previously Power Products Llc, classified under FSC 5920, Fuses, Arrestors, Absorbers, and Protectors. Status: active.
NSN 5920-01-545-3124 has 1 manufacturer part number on file: 5503 (Navico Group Americas Llc Dba Power Products of Delaware, Llc Div Navico Group, Previously Power Products Llc).
Key specifications for 5503: Special Features: SNAP-ON TERMINAL COVER; LARGE TERMINALS ACCEPT 5/16" OR M8 RING TERMINALS UP TO 4/0 AW; USE ON SYSTEMS UP TO 48VDC; SCREWS COMPRESS FUSE BLADES FOR LOW RESISTANCE CONNECTIONS VDC; Part Name Assigned by Controlling Agency: ANL FUSE BLOCK 325-750 AMPERES; End Item Identification: LIGHT AMPHBIOUS RESUPPLY CRAFT (LARC V) SLEP. 0 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.