The Valve,ball, cataloged under National Stock Number 4820-01-709-1971, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Engineered Specialties. Government technical data includes 2 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 | 4820-01-709-1971 |
| Primary Part Number | 50120 |
| Item Name | Valve,ball |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Engineered Specialties |
| Status | ACTIVE |
| Nominal Thread Size | 0.375 INCHES ALL ENDS IN |
| Thread Series Designator | NPT 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 |
|---|---|
| 50120 PRIMARY | Engineered Specialties (USA) |
NSN 4820-01-709-1971 is a Valve,ball, manufactured by Engineered Specialties, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-709-1971 has 1 manufacturer part number on file: 50120 (Engineered Specialties).
Key specifications for 50120: Nominal Thread Size: 0.375 INCHES ALL ENDS IN; Part Name Assigned by Controlling Agency: DRAIN VALVE - 3/8 INCH NPT MALE - 3/8 INCH NPT FEMALE IN; End Item Identification: 4920-01-322-8299; Thread Series Designator: NPT ALL ENDS. 2 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.