The Seat,valve, cataloged under National Stock Number 4820-01-476-1571, 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 5 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-476-1571 |
| Primary Part Number | 56-97-0417 |
| Item Name | Seat,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 |
|---|---|
| 264080101-0012 | Electric Boat Corporation Div General Dynamics Electric Boat (USA) |
| 2640-801X01PC 12 | Electric Boat Corporation Div General Dynamics Electric Boat (USA) |
| 56-97-0417 PRIMARY | Electric Boat Corporation Div General Dynamics Electric Boat (USA) |
| 7286740 | Naval Sea Systems Command (USA) |
| 564-7286740-6 | Naval Sea Systems Command (USA) |
NSN 4820-01-476-1571 is a Seat,valve, manufactured by Electric Boat Corporation Div General Dynamics Electric Boat, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-476-1571 has 5 cross-referenced part numbers: 264080101-0012 (Electric Boat Corporation Div General Dynamics Electric Boat), 2640-801X01PC 12 (Electric Boat Corporation Div General Dynamics Electric Boat), 56-97-0417 (Electric Boat Corporation Div General Dynamics Electric Boat), 7286740 (Naval Sea Systems Command), 564-7286740-6 (Naval Sea Systems Command).
There are 3 known substitutes for 4820-01-476-1571: 5905-00-197-1109, 4820-00-824-5687, 5310-01-475-8947. Verify interchangeability with system specifications before substitution.
Key specifications for 56-97-0417: End Item Identification: NSSN CLASS SUBMARINE; Special Features: SEAT THICKNESS IS 0.375 INCHES, SEAT LENGTH IS 3.486 AND SEAT WIDTH IS 2.406; NHA VALVE BALL 2 1/2 IPS LET FL & DR & LPT HATCH CAV DR ASSY. IN. 2 total characteristics are documented in the Federal Logistics Information System.