The Valve,stop-Check, cataloged under National Stock Number 4820-01-601-1640, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Vt Leeboy Inc. Dba Leeboy Div Vt Leeboy. 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 | 4820-01-601-1640 |
| Primary Part Number | 1003929 |
| Item Name | Valve,stop-Check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Vt Leeboy Inc. Dba Leeboy Div Vt Leeboy |
| 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 |
| Part Number | Manufacturer |
|---|---|
| 1003929 PRIMARY | Vt Leeboy Inc. Dba Leeboy Div Vt Leeboy (USA) |
NSN 4820-01-601-1640 is a Valve,stop-Check, manufactured by Vt Leeboy Inc. Dba Leeboy Div Vt Leeboy, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-601-1640 has 1 manufacturer part number on file: 1003929 (Vt Leeboy Inc. Dba Leeboy Div Vt Leeboy).
Key specifications for 1003929: Part Name Assigned by Controlling Agency: VALVE, SHUT-OFF 1/4 IN IN; End Item Identification: 3895-01-577-2425. 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.