The Valve,ball, cataloged under National Stock Number 4820-01-483-9087, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 5 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-483-9087 |
| Primary Part Number | 845-7285243 ASSY A A-C |
| Item Name | Valve,ball |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Style Designator | STRAIGHT THRU |
| Material | STEEL BODY |
| Material | STEEL FLOW CONTROL DEVICE |
| Material | BRONZE STEM |
| Valve Operation Method | MANUAL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 845-7285243 ASSY A A-C | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 2643-785-10 ASSY A A-C | 3/2 Design control — primary reference U.S. Government activity |
NSN 4820-01-483-9087 is a Valve,ball, manufactured by Naval Sea Systems Command, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-483-9087 has 1 manufacturer part number on file: 845-7285243 ASSY A A-C (Naval Sea Systems Command).
Key specifications for 845-7285243 ASSY A A-C: Style Designator: STRAIGHT THRU; End Item Identification: LOS ANGELES CLASS SSN (688); Material: STEEL BODY; Material: STEEL FLOW CONTROL DEVICE. 5 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.
NSN 4820-01-483-9087 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.