The Valve,check, cataloged under National Stock Number 4820-01-561-9867, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Coast Valve & Fittings Co., Inc. Dba Coast Valve & Fittings Co Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-561-9867 |
| Primary Part Number | SS-CHS6-1/3 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Coast Valve & Fittings Co., Inc. Dba Coast Valve & Fittings Co Inc |
| 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-CHS6-1/3 PRIMARY | Coast Valve & Fittings Co., Inc. Dba Coast Valve & Fittings Co Inc (USA) |
NSN 4820-01-561-9867 is a Valve,check, manufactured by Coast Valve & Fittings Co., Inc. Dba Coast Valve & Fittings Co Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-561-9867 has 1 manufacturer part number on file: SS-CHS6-1/3 (Coast Valve & Fittings Co., Inc. Dba Coast Valve & Fittings Co Inc).
Key specifications for SS-CHS6-1/3: Special Features: 0.375 IN. IN; End Item Identification: ONBOARD 417 FT (WMSL-750) DEEP WATER NATIONAL SECURITY CUTTER FT. 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.