The Valve,ball, cataloged under National Stock Number 4820-01-416-5572, 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 16 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-416-5572 |
| Primary Part Number | 6314370 |
| Item Name | Valve,ball |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Nominal Pipe Size Accommodated | 1.000 INCHES FIRST END IN |
| Connection Style | PLAIN,OPTIONAL END(PIPE) SECOND END |
| Connection Style | BEVELED (PIPE) FIRST END |
| Minimum Operating Temp | 50.0 FAHRENHEIT DEGF |
| Criticality Code Justification | FEAT |
| Connection Type | BUTT WELD PIPE FIRST END |
| Connection Type | THREADED INTERNAL PIPE SECOND END |
| Style Designator | ANGLE |
| Operating Pressure | 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Nominal Thread Size | 0.250 INCHES ALL ENDS IN |
| Maximum Operating Temp | 150.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Material | STEEL CORROSION RESISTING BODY |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE SEAT |
| Thread Series Designator | NPT SECOND END |
| 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 | Y |
| Part Number | Manufacturer |
|---|---|
| 6314370 | Naval Sea Systems Command (USA) |
| SS-43TF4-A-W1 | Swagelok Co (USA) |
| Reference | Meaning |
|---|---|
| SS-43TF4-A-W1 | 3/9 Design control — primary reference Whitey Co |
NSN 4820-01-416-5572 is a Valve,ball, manufactured by Naval Sea Systems Command, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-416-5572 has 2 manufacturer part numbers on file: 6314370 (Naval Sea Systems Command), SS-43TF4-A-W1 (Swagelok Co).
Key specifications for 6314370: Nominal Pipe Size Accommodated: 1.000 INCHES FIRST END IN; Connection Style: PLAIN,OPTIONAL END(PIPE) SECOND END; Connection Style: BEVELED (PIPE) FIRST END; Minimum Operating Temp: 50.0 FAHRENHEIT DEGF. 16 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.