The Valve,ball, cataloged under National Stock Number 4820-01-577-3763, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-577-3763 |
| Primary Part Number | 803-5001003-F791 |
| Item Name | Valve,ball |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Style Designator | STRAIGHT THRU |
| Operating Pressure | 700.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Maximum Operating Temp | 100.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Material | BRONZE BODY |
| 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 |
|---|---|
| 1003-038J 1.50IN | Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc (USA) |
| 803-5001003-F791 PRIMARY | Naval Sea Systems Command (USA) |
| F791-3J-00 | B N L Industries Inc (USA) |
NSN 4820-01-577-3763 is a Valve,ball, manufactured by Naval Sea Systems Command, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-577-3763 has 3 manufacturer part numbers on file: 1003-038J 1.50IN (Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc), 803-5001003-F791 (Naval Sea Systems Command), F791-3J-00 (B N L Industries Inc).
Key specifications for 803-5001003-F791: Style Designator: STRAIGHT THRU; Operating Pressure: 700.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Maximum Operating Temp: 100.0 FAHRENHEIT SINGLE RESPONSE DEGF; End Item Identification: NEW CONSTRUCTION DDG1000. 5 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.