The Cap,valve, cataloged under National Stock Number 4820-01-184-4553, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Electric Boat Corporation Div General Dynamics Electric Boat. This item has 7 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-184-4553 |
| Primary Part Number | 54-91-4456 |
| Item Name | Cap,valve |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Electric Boat Corporation Div General Dynamics Electric Boat |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 54-91-4456 PRIMARY | Electric Boat Corporation Div General Dynamics Electric Boat (USA) |
| 0653379 PRIMARY | The Walworth Company (USA) |
| 2620-922X1 | Electric Boat Corporation Div General Dynamics Electric Boat (USA) |
| 845-1889550PC37 | Naval Ship Systems Command (USA) |
| 2620-922X1 PIECE 37 2 1/2IN | Electric Boat Corporation Div General Dynamics Electric Boat (USA) |
| SS845-1889550 | Naval Ship Systems Command (USA) |
| 2620-922X1 PIECE 37 2 1/2IN | The Walworth Company (USA) |
NSN 4820-01-184-4553 is a Cap,valve, manufactured by Electric Boat Corporation Div General Dynamics Electric Boat, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-184-4553 has 7 cross-referenced part numbers: 54-91-4456 (Electric Boat Corporation Div General Dynamics Electric Boat), 0653379 (The Walworth Company), 2620-922X1 (Electric Boat Corporation Div General Dynamics Electric Boat), 845-1889550PC37 (Naval Ship Systems Command), 2620-922X1 PIECE 37 2 1/2IN (Electric Boat Corporation Div General Dynamics Electric Boat) and 2 more.
There are 12 known substitutes for 4820-01-184-4553: 5310-01-057-7724, 4820-01-058-0957, 4820-01-058-2349 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 54-91-4456: Special Features: STEEL. 1 total characteristics are documented in the Federal Logistics Information System.