The Disk,valve, cataloged under National Stock Number 4820-00-472-1587, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Cooper Machinery Services Llc. Government technical data includes 6 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-472-1587 |
| Primary Part Number | 001-744 |
| Item Name | Disk,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Cooper Machinery Services Llc |
| Status | ACTIVE |
| Lower Surface Width | 0.150 INCHES NOMINAL IN |
| Outside Diameter | 0.573 INCHES NOMINAL IN |
| Style Designator | PLAIN |
| Inside Diameter | 0.237 INCHES NOMINAL IN |
| Media for Which Designed | GASOLINE |
| Material | STEEL |
| 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 |
|---|---|
| 001-744 PRIMARY | Cooper Machinery Services Llc (USA) |
| Reference | Meaning |
|---|---|
| A001-744 | 5/9 Secondary reference Cooper Cameron Corp Ajax-Superior Div |
| 001-744 | 5/9 Secondary reference Cooper Cameron Corp Ajax-Superior Div |
| 001744 | 5/9 Secondary reference Cooper Cameron Corp Ajax-Superior Div |
| A001744 | 5/9 Secondary reference Cooper Cameron Corp Ajax-Superior Div |
NSN 4820-00-472-1587 is a Disk,valve, manufactured by Cooper Machinery Services Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-472-1587 has 1 manufacturer part number on file: 001-744 (Cooper Machinery Services Llc).
Key specifications for 001-744: Overall Height: 0.050 INCHES NOMINAL IN; Lower Surface Width: 0.150 INCHES NOMINAL IN; Outside Diameter: 0.573 INCHES NOMINAL IN; Style Designator: PLAIN. 6 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.