The Stem,fluid Valve, cataloged under National Stock Number 4820-01-156-0574, 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 6 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-156-0574 |
| Primary Part Number | 2640-271 PC 6 |
| 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 |
|---|---|
| SS845-2007693 | Naval Ship Systems Command (USA) |
| 2640-271 PC 6 PRIMARY | Electric Boat Corporation Div General Dynamics Electric Boat (USA) |
| 2640-271 | Electric Boat Corporation Div General Dynamics Electric Boat (USA) |
| 2640-271 PIECE | Electric Boat Corporation Div General Dynamics Electric Boat (USA) |
| SS845-2007693PC | Naval Ship Systems Command (USA) |
| SS845-2007693 PIECE 6 PRIMARY | Naval Ship Systems Command (USA) |
NSN 4820-01-156-0574 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 4820-01-156-0574 has 6 cross-referenced part numbers: SS845-2007693 (Naval Ship Systems Command), 2640-271 PC 6 (Electric Boat Corporation Div General Dynamics Electric Boat), 2640-271 (Electric Boat Corporation Div General Dynamics Electric Boat), 2640-271 PIECE (Electric Boat Corporation Div General Dynamics Electric Boat), SS845-2007693PC (Naval Ship Systems Command) and 1 more.
There are 4 known substitutes for 4820-01-156-0574: 4730-01-081-5544, 4820-01-155-8816, 4820-01-156-0562 and 1 more. Verify interchangeability with system specifications before substitution.
Key specifications for 2640-271 PC 6: Material: ALUMINUM ALLOY. 1 total characteristics are documented in the Federal Logistics Information System.