The Seat,valve, cataloged under National Stock Number 4820-01-488-5542, 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 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, 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 | 4820-01-488-5542 |
| Primary Part Number | 2640-801X01 PC 15 |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Electric Boat Corporation Div General Dynamics Electric Boat |
| Status | ACTIVE |
| Body Inside Diameter | 3.062 INCHES NOMINAL IN |
| Material Document and Classification | GRAPHITE IMPREGNATED URETHANE, COMP MD-7166 MFR REF SINGLE MATERIAL RESPONSE SEAT |
| Material | PLASTIC POLYURETHANE SEAT |
| Style Designator | PLAIN |
| Body Outside Diameter | 4.484 INCHES NOMINAL IN |
| Seating Surface Shape | ANGULAR |
| Seat Angle in Deg | 45.000 NOMINAL |
| Seal Accommodation Type | GROOVED |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 2640-801X01 PC 15 PRIMARY | Electric Boat Corporation Div General Dynamics Electric Boat (USA) |
| 2640-801X1 | Electric Boat Corporation Div General Dynamics Electric Boat (USA) |
NSN 4820-01-488-5542 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 4820-01-488-5542 has 2 cross-referenced part numbers: 2640-801X01 PC 15 (Electric Boat Corporation Div General Dynamics Electric Boat), 2640-801X1 (Electric Boat Corporation Div General Dynamics Electric Boat).
There are 3 known substitutes for 4820-01-488-5542: 4820-01-061-7138, 4820-01-504-7557, 4820-01-548-5692. Verify interchangeability with system specifications before substitution.
Key specifications for 2640-801X01 PC 15: Body Inside Diameter: 3.062 INCHES NOMINAL IN; Material Document and Classification: GRAPHITE IMPREGNATED URETHANE, COMP MD-7166 MFR REF SINGLE MATERIAL RESPONSE SEAT; Material: PLASTIC POLYURETHANE SEAT; Style Designator: PLAIN. 11 total characteristics are documented in the Federal Logistics Information System.