The Valve Assy,check, cataloged under National Stock Number 4820-01-485-9872, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-485-9872 |
| Item Name | Valve Assy,check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| Material | COPPER ALLOY |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 31-15-2684 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4820-01-485-9872 is a Valve Assy,check, classified under FSC 4820, Valves, Nonpowered. Status: active.
Key specifications for 4820-01-485-9872: Special Features: ASSEMBLY IS COMPRISED OF 2 ITEMS: ITEM 1 IS CAGE 81361 P/N 31-15-2683 BACKPRESSURE CAP NSN 4820-01-453-0939 (VALVE,CHECK) AND ITEM 2 IS PIPE, NIPPLE, 0.125 NPT X 3.5 INCH LONG (SUGGESTED SOURCE CAGE 30327 P/N 113-B-02X56); NHA NSN 2350-01-369-6083 CARRIER, SMOKE GENERATOR IN; Part Name Assigned by Controlling Agency: BACKPRESSURE CAP ASSY; End Item Identification: PERSONNEL CARRIERS; Material: COPPER ALLOY. 1 specification is 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.