The Piston,body Valve, cataloged under National Stock Number 4820-01-176-4267, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Greno Industries, Inc. Dba Greno Industries Inc. Government technical data includes 1 specification, 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 | 4820-01-176-4267 |
| Primary Part Number | 6331 |
| Item Name | Piston,body Valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Greno Industries, Inc. Dba Greno Industries Inc |
| Status | ACTIVE |
| General Characteristics Item Description | CRES |
| 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 |
|---|---|
| 6350-1XX 31 | Greno Industries, Inc. Dba Greno Industries Inc (USA) |
| 6331 PRIMARY | Greno Industries, Inc. Dba Greno Industries Inc (USA) |
NSN 4820-01-176-4267 is a Piston,body Valve, manufactured by Greno Industries, Inc. Dba Greno Industries Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-176-4267 has 2 manufacturer part numbers on file: 6350-1XX 31 (Greno Industries, Inc. Dba Greno Industries Inc), 6331 (Greno Industries, Inc. Dba Greno Industries Inc).
Key specifications for 6331: General Characteristics Item Description: CRES. 1 specification is 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.