The Stem,fluid Valve, cataloged under National Stock Number 4820-01-156-8349, 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. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-156-8349 |
| Primary Part Number | 2640-613 PIECE 10 |
| Item Name | Stem,fluid Valve |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Electric Boat Corporation Div General Dynamics Electric Boat |
| Status | ACTIVE |
| Material | ALUMINUM ALLOY |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 2640-613 | Electric Boat Corporation Div General Dynamics Electric Boat (USA) |
| 845-2050999 | Naval Ship Systems Command (USA) |
| 2640-613 PIECE 10 PRIMARY | Electric Boat Corporation Div General Dynamics Electric Boat (USA) |
| 845-2050999 PIECE 10 PRIMARY | Naval Ship Systems Command (USA) |
NSN 4820-01-156-8349 is a Stem,fluid Valve, manufactured by Electric Boat Corporation Div General Dynamics Electric Boat, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-156-8349 has 4 cross-referenced part numbers: 2640-613 (Electric Boat Corporation Div General Dynamics Electric Boat), 845-2050999 (Naval Ship Systems Command), 2640-613 PIECE 10 (Electric Boat Corporation Div General Dynamics Electric Boat), 845-2050999 PIECE 10 (Naval Ship Systems Command).
There are 6 known substitutes for 4820-01-156-8349: 5310-00-050-6646, 4820-01-136-4751, 4820-01-155-5029 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for 2640-613 PIECE 10: Overall Length: 4.250 INCHES NOMINAL IN; Material: ALUMINUM ALLOY. 2 total characteristics are documented in the Federal Logistics Information System.