The Valve,ball, cataloged under National Stock Number 4820-01-125-9339, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Flowserve Us Inc. Div Flowserve Cookeville Valve Operation. Government technical data includes 10 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-125-9339 |
| Primary Part Number | 1" H444466YBSE |
| Item Name | Valve,ball |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Flowserve Us Inc. Div Flowserve Cookeville Valve Operation |
| Status | ACTIVE |
| Connection Style | PLAIN,OPTIONAL END(PIPE) FIRST END |
| Connection Type | THREADED INTERNAL PIPE FIRST END |
| Style Designator | STRAIGHT THRU |
| Thread Direction | RIGHT-HAND FIRST END |
| Nominal Thread Size | 1.000 INCHES FIRST END IN |
| Material | STEEL BODY |
| Material | STEEL CORROSION RESISTING FLOW CONTROL DEVICE |
| Material | STEEL CORROSION RESISTING STEM |
| Thread Series Designator | NPT FIRST 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 | X |
| Part Number | Manufacturer |
|---|---|
| 1" H444466YBSE PRIMARY | Flowserve Us Inc. Div Flowserve Cookeville Valve Operation (USA) |
| Reference | Meaning |
|---|---|
| 1"H4446YB-SE | 5/9 Secondary reference Flowserve Us Inc. Div Flowserve Cookeville Valve Operation |
| 1IN-H446Y-B-SE | 5/9 Secondary reference U.S. Government activity |
NSN 4820-01-125-9339 is a Valve,ball, manufactured by Flowserve Us Inc. Div Flowserve Cookeville Valve Operation, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-125-9339 has 1 manufacturer part number on file: 1" H444466YBSE (Flowserve Us Inc. Div Flowserve Cookeville Valve Operation).
Key specifications for 1" H444466YBSE: Connection Style: PLAIN,OPTIONAL END(PIPE) FIRST END; Connection Type: THREADED INTERNAL PIPE FIRST END; Style Designator: STRAIGHT THRU; Thread Direction: RIGHT-HAND FIRST END. 10 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.