The Valve,check, cataloged under National Stock Number 4820-01-672-0784, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Jcb Inc.. Government technical data includes 12 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 | 4820-01-672-0784 |
| Primary Part Number | 332/C0333 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Jcb Inc. |
| Status | ACTIVE |
| Connection Type | THREADED INTERNAL TUBE ALL ENDS |
| Style Designator | CROSS |
| Operating Pressure | 420.0 BAR MAXIMUM SINGLE RESPONSE |
| Nominal Thread Size | 1.3125 INCHES SECOND END IN |
| Nominal Thread Size | 0.5625 INCHES FIRST END IN |
| Nominal Thread Size | 1.3125 INCHES THIRD END IN |
| Face to Face Distance | 101.6 MILLIMETERS MM |
| First Connection Face to Centerline Distance | 55.0 MILLIMETERS MM |
| Thread Quantity Per Inch | 12 SECOND END |
| Thread Quantity Per Inch | 12 THIRD END |
| Thread Quantity Per Inch | 18 FIRST END |
| Thread Series Designator | UNF ALL ENDS |
| 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 |
|---|---|
| 332/C0333 PRIMARY | Jcb Inc. (USA) |
NSN 4820-01-672-0784 is a Valve,check, manufactured by Jcb Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-672-0784 has 1 manufacturer part number on file: 332/C0333 (Jcb Inc.).
Key specifications for 332/C0333: Connection Type: THREADED INTERNAL TUBE ALL ENDS; Style Designator: CROSS; Operating Pressure: 420.0 BAR MAXIMUM SINGLE RESPONSE; Nominal Thread Size: 1.3125 INCHES SECOND END IN. 12 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.