The Valve,check, cataloged under National Stock Number 4820-01-702-7921, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Canyon Engineering Products, Inc.. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Valve,check |
| FSC / FSG | 4820 — Valves, Nonpowered (FSG 48) |
| Manufacturers | Canyon Engineering Products, Inc. (CAGE 7U055) |
| Parameter | Value |
|---|---|
| NSN | 4820-01-702-7921 |
| Primary Part Number | 37450 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Canyon Engineering Products, 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 |
|---|---|
| 37450 PRIMARY | Canyon Engineering Products, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 37450 REV C | D/9 Drawing number reference only Canyon Engineering Products, Inc. |
NSN 4820-01-702-7921 is a Valve,check, manufactured by Canyon Engineering Products, Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-702-7921 has 1 manufacturer part number on file: 37450 (Canyon Engineering Products, Inc.).
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.