The Valve,check, cataloged under National Stock Number 4820-01-330-5929, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Wolfe Tool & Machine Company Div Wolfe Tool & Machine Co.. 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 | 4820-01-330-5929 |
| Primary Part Number | 2528128 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Wolfe Tool & Machine Company Div Wolfe Tool & Machine Co. |
| 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 |
NSN 4820-01-330-5929 is a Valve,check, manufactured by Wolfe Tool & Machine Company Div Wolfe Tool & Machine Co., classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-330-5929 has 2 manufacturer part numbers on file: 2528128 (Ridge Machine Shop Inc), 2528128 (Wolfe Tool & Machine Company Div Wolfe Tool & Machine Co.).
Key specifications for 2528128: End Item Identification: MISC SHIP PARTS. 0 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.