The Valve,check, cataloged under National Stock Number 4820-01-554-5090, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Sea Recovery Corporation. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-554-5090 |
| Primary Part Number | SS-8CPA2-3 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Sea Recovery Corporation |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| SS-8CPA2-3 PRIMARY | Sea Recovery Corporation (USA) |
NSN 4820-01-554-5090 is a Valve,check, manufactured by Sea Recovery Corporation, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-554-5090 has 1 manufacturer part number on file: SS-8CPA2-3 (Sea Recovery Corporation).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-621-6774. Verify interchangeability with system specifications before substitution.
Key specifications for SS-8CPA2-3: Part Name Assigned by Controlling Agency: VALVE, CHECK, 1/2 INCH ADJUSTABLE, 15 PSI IN; End Item Identification: SHIPALT PC-0079D PC3. 0 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.