The Valve,ball, cataloged under National Stock Number 4820-01-643-5764, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Conbraco Industries Inc. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-643-5764 |
| Primary Part Number | 71-144-10 |
| Item Name | Valve,ball |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Conbraco Industries Inc |
| Status | ACTIVE |
| Connection Style | PLAIN (PIPE) ALL ENDS |
| Valve Model Number for Which Designed | 71-144-10 |
| Connection Type | THREADED INTERNAL PIPE ALL ENDS |
| Style Designator | STRAIGHT THRU |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Nominal Thread Size | 0.75 INCHES ALL ENDS IN |
| Material | COPPER ALLOY BODY |
| Material | STEEL CORROSION RESISTING STEM |
| Thread Series Designator | NPT 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 |
|---|---|
| 71-144-10 PRIMARY | Conbraco Industries Inc (USA) |
NSN 4820-01-643-5764 is a Valve,ball, manufactured by Conbraco Industries Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-643-5764 has 1 manufacturer part number on file: 71-144-10 (Conbraco Industries Inc).
Key specifications for 71-144-10: Connection Style: PLAIN (PIPE) ALL ENDS; Valve Model Number for Which Designed: 71-144-10; Connection Type: THREADED INTERNAL PIPE ALL ENDS; Style Designator: STRAIGHT THRU. 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.