The Valve,ball, cataloged under National Stock Number 4820-01-303-6375, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Gardner Denver Machinery Inc. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-303-6375 |
| Primary Part Number | 90AR331 |
| Item Name | Valve,ball |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Gardner Denver Machinery Inc |
| Status | ACTIVE |
| Media for Which Designed | AIR SINGLE RESPONSE |
| 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 |
|---|---|
| 90AR331 PRIMARY | Gardner Denver Machinery Inc (USA) |
| Reference | Meaning |
|---|---|
| 00543357-0031 | 5/9 Secondary reference Gardner Denver Machinery Inc |
| 90AR331 | 5/9 Secondary reference Cooper Industries Industrial Machinery Div |
| 00543357-0031 | 5/9 Secondary reference Cooper Industries Industrial Machinery Div |
| 00915785-0008 | 5/9 Secondary reference Gardner Denver Machinery Inc |
| 00543357-0031 | 5/9 Secondary reference U.S. Government activity |
NSN 4820-01-303-6375 is a Valve,ball, manufactured by Gardner Denver Machinery Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-303-6375 has 1 manufacturer part number on file: 90AR331 (Gardner Denver Machinery Inc).
Key specifications for 90AR331: Media for Which Designed: AIR SINGLE RESPONSE. 1 specification is 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.