The Valve,check, cataloged under National Stock Number 4820-01-697-0066, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Volvo Group North America Llc Dba Volvo Group North America, Inc. Government technical data includes 8 specifications, cited from the U.S. Government catalog. 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 | 4820-01-697-0066 |
| Primary Part Number | 1676622 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Volvo Group North America Llc Dba Volvo Group North America, Inc |
| Status | ACTIVE |
| Connection Type | THREADED INTERNAL PIPE FIRST END |
| Connection Type | UNION END SECOND END |
| Nominal Thread Size | 22.0 MILLIMETERS FIRST END MM |
| Maximum Operating Temp | 105.5 CELSIUS SINGLE RESPONSE DEGC |
| Surface Treatment | CHROMIUM |
| Media for Which Designed | AIR SINGLE RESPONSE |
| Thread Series Designator | M FIRST END |
| Valve Operation Method | AUTOMATIC |
| 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 |
|---|---|
| 1676622 PRIMARY | Volvo Group North America Llc Dba Volvo Group North America, Inc (USA) |
NSN 4820-01-697-0066 is a Valve,check, manufactured by Volvo Group North America Llc Dba Volvo Group North America, Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-697-0066 has 1 manufacturer part number on file: 1676622 (Volvo Group North America Llc Dba Volvo Group North America, Inc).
Key specifications for 1676622: Connection Type: THREADED INTERNAL PIPE FIRST END; Connection Type: UNION END SECOND END; Nominal Thread Size: 22.0 MILLIMETERS FIRST END MM; Maximum Operating Temp: 105.5 CELSIUS SINGLE RESPONSE DEGC. 8 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.