The Valve,check, cataloged under National Stock Number 4820-01-377-3214, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Hunt Valve Company, Inc.. Government technical data includes 11 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-377-3214 |
| Primary Part Number | 90204374 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Hunt Valve Company, Inc. |
| Status | ACTIVE |
| Flow Control Device | DISK |
| Nominal Pipe Size Accommodated | 2.000 INCHES ALL ENDS IN |
| Connection Style | BEVELED (PIPE) ALL ENDS |
| Mounting Position | HORIZONTAL |
| Supplementary Features | THIS ITEM HAS BEEN REVIEWED FOR ASBESTOS MATERIAL;THE CURRENT APPROVED SOURCES;11859 HAVE INDICATED THEIR PART NUMBER CONTAINED ASBESTOS PRIOR TO 1984, THEY CONTINUE TO MANUFACTURE THE SAME PART NUMBER WITHOUT ASBESTOS MATERIAL AFTER 1984 |
| Connection Type | BUTT WELD PIPE ALL ENDS |
| Style Designator | STRAIGHT THRU |
| Disk Loading Method | SPRING |
| Material | STEEL BODY |
| Material | STEEL FLOW CONTROL DEVICE |
| 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 |
|---|---|
| 90204374 PRIMARY | Hunt Valve Company, Inc. (USA) |
| Reference | Meaning |
|---|---|
| C-53811 | 5/9 Secondary reference U.S. Government activity |
NSN 4820-01-377-3214 is a Valve,check, manufactured by Hunt Valve Company, Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-377-3214 has 1 manufacturer part number on file: 90204374 (Hunt Valve Company, Inc.).
Key specifications for 90204374: Flow Control Device: DISK; Nominal Pipe Size Accommodated: 2.000 INCHES ALL ENDS IN; Connection Style: BEVELED (PIPE) ALL ENDS; Mounting Position: HORIZONTAL. 11 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.