The Valve,ball, cataloged under National Stock Number 4820-00-950-6138, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Fwd Seagrave Holdings Lp. Government technical data includes 14 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 | 4820-00-950-6138 |
| Primary Part Number | 531970 |
| Item Name | Valve,ball |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Fwd Seagrave Holdings Lp |
| Status | ACTIVE |
| Renewable Seat Ring Type | PRESSED-IN |
| Connection Style | SWIVEL NUT,GASKET SEAL(HOSE) ALL ENDS |
| Seat Nominal Radius | 0.062 INCHES ALL ENDS IN |
| Nominal Inside Diameter Hose Accommodated | 1.000 INCHES ALL ENDS IN |
| Connection Type | THREADED INTERNAL HOSE ALL ENDS |
| Style Designator | STRAIGHT THRU |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Nominal Thread Size | 1.000 INCHES ALL ENDS IN |
| Bonnet Attachment Method | THREADED |
| Material | COPPER ALLOY BODY |
| Material | COPPER ALLOY FLOW CONTROL DEVICE |
| Material | RUBBER SYNTHETIC SEAT |
| Thread Series Designator | NPSH ALL ENDS |
| 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 |
|---|---|
| 531970 PRIMARY | Fwd Seagrave Holdings Lp (USA) |
NSN 4820-00-950-6138 is a Valve,ball, manufactured by Fwd Seagrave Holdings Lp, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-950-6138 has 1 manufacturer part number on file: 531970 (Fwd Seagrave Holdings Lp).
Key specifications for 531970: Renewable Seat Ring Type: PRESSED-IN; Connection Style: SWIVEL NUT,GASKET SEAL(HOSE) ALL ENDS; Seat Nominal Radius: 0.062 INCHES ALL ENDS IN; Nominal Inside Diameter Hose Accommodated: 1.000 INCHES ALL ENDS IN. 14 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.