The Valve,ball, cataloged under National Stock Number 4820-01-644-7076, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Aar Manufacturing, Inc. Dba Aar Mobility Systems. Government technical data includes 13 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-644-7076 |
| Primary Part Number | 85020-0292 |
| Item Name | Valve,ball |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Aar Manufacturing, Inc. Dba Aar Mobility Systems |
| Status | ACTIVE |
| Nominal Pipe Size Accommodated | 0.500 INCHES ALL ENDS IN |
| Connection Type | THREADED EXTERNAL BOSS FIRST END |
| Connection Type | THREADED INTERNAL BOSS SECOND END |
| Operating Pressure | 600.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Thread Direction | RIGHT-HAND FIRST END |
| Nominal Thread Size | 0.250 INCHES FIRST END IN |
| Second Connection Face to Centerline Distance | 1.156 INCHES IN |
| Face to Face Distance | 2.750 INCHES IN |
| Media for Which Designed | WATER-OIL-GAS SINGLE RESPONSE |
| Thread Quantity Per Inch | 14 FIRST END |
| Material | COPPER ALLOY BODY |
| 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 |
|---|---|
| 47865K43 | Mcmaster-Carr Supply Co (USA) |
| 85020-0292 PRIMARY | Aar Manufacturing, Inc. Dba Aar Mobility Systems (USA) |
NSN 4820-01-644-7076 is a Valve,ball, manufactured by Aar Manufacturing, Inc. Dba Aar Mobility Systems, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-644-7076 has 2 manufacturer part numbers on file: 47865K43 (Mcmaster-Carr Supply Co), 85020-0292 (Aar Manufacturing, Inc. Dba Aar Mobility Systems).
Key specifications for 85020-0292: Nominal Pipe Size Accommodated: 0.500 INCHES ALL ENDS IN; Connection Type: THREADED EXTERNAL BOSS FIRST END; Connection Type: THREADED INTERNAL BOSS SECOND END; Operating Pressure: 600.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS. 13 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.