The Seat,valve, cataloged under National Stock Number 4820-01-425-2855, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Spirax Sarco Inc Dba Spirax Sarco. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-425-2855 |
| Primary Part Number | 71940 |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Spirax Sarco Inc Dba Spirax Sarco |
| Status | ACTIVE |
| Material | STEEL CORROSION RESISTING OVERALL |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 71940 PRIMARY | Spirax Sarco Inc Dba Spirax Sarco (USA) |
| 67417 | Spirax Sarco Inc Dba Spirax Sarco (USA) |
| J-970 | Spirax Sarco Inc Dba Spirax Sarco (USA) |
| J-970 PIECE 9 | Spirax Sarco Inc Dba Spirax Sarco (USA) |
NSN 4820-01-425-2855 is a Seat,valve, manufactured by Spirax Sarco Inc Dba Spirax Sarco, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-425-2855 has 4 cross-referenced part numbers: 71940 (Spirax Sarco Inc Dba Spirax Sarco), 67417 (Spirax Sarco Inc Dba Spirax Sarco), J-970 (Spirax Sarco Inc Dba Spirax Sarco), J-970 PIECE 9 (Spirax Sarco Inc Dba Spirax Sarco).
There are 8 known substitutes for 4820-01-425-2855: 2530-00-294-7633, 4810-00-740-8824, 6635-00-780-1599 and 5 more. Verify interchangeability with system specifications before substitution.
Key specifications for 71940: Special Features: USED ON SARCO MODEL 3/4 FA-150 BRONZE TRAP; Material: STEEL CORROSION RESISTING OVERALL; End Item Identification: LOS ANGELES CLASS SSN (688). 3 total characteristics are documented in the Federal Logistics Information System.