The Valve,ball, cataloged under National Stock Number 4820-01-710-2977, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Spirax Sarco Inc Dba Spirax Sarco. Government technical data includes 3 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 | 4820-01-710-2977 |
| Primary Part Number | 3397320 |
| Item Name | Valve,ball |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Spirax Sarco Inc Dba Spirax Sarco |
| Status | ACTIVE |
| Operating Pressure | 260.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Maximum Operating Temp | 500.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Valve Operation Method | HYDRAULIC |
| 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 |
|---|---|
| 3397320 PRIMARY | Spirax Sarco Inc Dba Spirax Sarco (USA) |
NSN 4820-01-710-2977 is a Valve,ball, manufactured by Spirax Sarco Inc Dba Spirax Sarco, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-710-2977 has 1 manufacturer part number on file: 3397320 (Spirax Sarco Inc Dba Spirax Sarco).
Key specifications for 3397320: Operating Pressure: 260.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Maximum Operating Temp: 500.0 FAHRENHEIT SINGLE RESPONSE DEGF; Special Features: INLET TO OUTLET LENGTH IS 3.39 INCH; TOP TO INLET CENTER IS 3.59 INCH; WEIGHT IS 2.8 POUNDS; BALL MATERIAL IS 316 STAINLESS STEEL; BODY MATERIAL IS CARBON STEEL; LBS; Part Name Assigned by Controlling Agency: VALVE. 3 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.