The Valve,check, cataloged under National Stock Number 4820-01-609-2887, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Valve,check |
| FSC / FSG | 4820 — Valves, Nonpowered (FSG 48) |
| Parameter | Value |
|---|---|
| NSN | 4820-01-609-2887 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| 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 |
| Reference | Meaning |
|---|---|
| 17-3-2992 | D/9 Drawing number reference only U.S. Government activity |
| 17-3-2992-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4820-01-609-2887 is a Valve,check, classified under FSC 4820, Valves, Nonpowered. Status: active.
Key specifications for 4820-01-609-2887: Special Features: ITEM CONSIST OF SEALING COMPOUND, PIPE BUSHING, FLOW CONTROL ORIFICE, TUBING, BRACKETS, UNION ELBOW, TEE PIPE REDUCING BUSHING AND COUPLING, AND AIR CHAMEBER ASSY.;; Part Name Assigned by Controlling Agency: COMPRESSOR ONE WAY ASSY.; End Item Identification: 17-3-3000, 5410-01-592-9463. 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.