The Valve,check, cataloged under National Stock Number 4820-01-228-9084, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Hale Products, Inc.. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-228-9084 |
| Primary Part Number | 538-1180-00-0 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Hale Products, Inc. |
| Status | ACTIVE |
| Flow Control Device | BALL |
| Connection Style | PLAIN (PIPE) FIRST END |
| Connection Type | THREADED INTERNAL TUBE SECOND END |
| Connection Type | THREADED EXTERNAL PIPE FIRST END |
| Style Designator | ANGLE |
| Nominal Outside Diameter Tube Accommodated | 0.375 INCHES SECOND END IN |
| Operating Pressure | 50.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Thread Direction | RIGHT-HAND FIRST END |
| Nominal Thread Size | 0.250 INCHES FIRST END IN |
| Seat Angle | 12.0 DEGREES FIRST END |
| Thread Class | 2B FIRST END |
| Thread Series Designator | NPT 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 |
|---|---|
| 538-1180-00-0 PRIMARY | Hale Products, Inc. (USA) |
| 642-538-1180-00-0 PRIMARY | Wheeler Fleet Solutions, Co. (USA) |
NSN 4820-01-228-9084 is a Valve,check, manufactured by Hale Products, Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-228-9084 has 2 manufacturer part numbers on file: 538-1180-00-0 (Hale Products, Inc.), 642-538-1180-00-0 (Wheeler Fleet Solutions, Co.).
Key specifications for 538-1180-00-0: Flow Control Device: BALL; Connection Style: PLAIN (PIPE) FIRST END; Connection Type: THREADED INTERNAL TUBE SECOND END; Connection Type: THREADED EXTERNAL PIPE FIRST END. 13 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.