The Valve,ball, cataloged under National Stock Number 4820-01-440-5916, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Fort Defiance Industries Llc. 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through both NSN and commercial part number lookups. 9 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-440-5916 |
| Primary Part Number | WS722501 |
| Item Name | Valve,ball |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Fort Defiance Industries Llc |
| Status | ACTIVE |
| Style Designator | STRAIGHT THRU |
| Valve Operation Method | MANUAL |
| 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 |
|---|---|
| WS722501 | Fort Defiance Industries Llc (USA) |
| Reference | Meaning |
|---|---|
| 13229E7225 | 5/9 Secondary reference Goldstein-Schwartz, Inc. Dba Goldstein-Schwartz Inc |
| 13229E7225 | 5/9 Secondary reference Welton Rubber Company |
| 13229E7225 | 5/9 Secondary reference U.S. Government activity |
| 13229E7225 | 5/9 Secondary reference Mcmaster-Carr Supply Co |
| 13229E7225 | 5/9 Secondary reference Mcmaster-Carr Supply Co |
| 13229E7225 | 3/2 Design control — primary reference U.S. Government activity |
| 13229E7225 | 5/9 Secondary reference Amazon Hose & Rubber Co of Miami Inc Dba Amazon Hose & Rubber Co |
| 13229E7225 | 5/9 Secondary reference Dvcc, Llc |
| 13229E7225 | 5/9 Secondary reference Dixon Valve & Coupling Company, Llc Div Dixon Fire |
NSN 4820-01-440-5916 is a Valve,ball, manufactured by Fort Defiance Industries Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-440-5916 has 1 manufacturer part number on file: WS722501 (Fort Defiance Industries Llc).
Key specifications for WS722501: Style Designator: STRAIGHT THRU; Special Features: INCLUDES 2 EA COUPLING HALF,QUICK DISCONNECT, NSN 4730-00-369-4595; VALVE INFO SPEC WW-V-35 (TYPE II, COMP CS, STYLE 3, CLASS 125); Part Name Assigned by Controlling Agency: VALVE ASSEMBLY BALL 1 INCH THREADED IN; End Item Identification: DEPMEDS. 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.