The Valve,ball, cataloged under National Stock Number 4810-01-577-0226, is classified within Federal Supply Class 4810 (Valves, Powered) of the Valves group. The manufacturer of record is F.s. Welsford Company. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Valve,ball |
| FSC / FSG | 4810 — Valves, Powered (FSG 48) |
| Manufacturers | F.s. Welsford Company (CAGE 0NB72) |
| Parameter | Value |
|---|---|
| NSN | 4810-01-577-0226 |
| Primary Part Number | MV50-42 |
| Item Name | Valve,ball |
| FSC / FSG | 4810 / 48 — Valves, Powered |
| Manufacturer | F.s. Welsford Company |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| MV50-42 PRIMARY | F.s. Welsford Company (USA) |
| Reference | Meaning |
|---|---|
| GBV01150-001 P/N MV50-42 | 5/2 Secondary reference U.S. Government activity |
| GBV01150-001 | D/9 Drawing number reference only U.S. Government activity |
NSN 4810-01-577-0226 is a Valve,ball, manufactured by F.s. Welsford Company, classified under FSC 4810, Valves, Powered. Status: active.
NSN 4810-01-577-0226 has 1 manufacturer part number on file: MV50-42 (F.s. Welsford Company).
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 4810-01-577-0226 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.