The Ring,valve Piston, cataloged under National Stock Number 4810-01-528-6575, is classified within Federal Supply Class 4810 (Valves, Powered) of the Valves group. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Ring,valve Piston |
| FSC / FSG | 4810 — Valves, Powered (FSG 48) |
| Parameter | Value |
|---|---|
| NSN | 4810-01-528-6575 |
| Item Name | Ring,valve Piston |
| FSC / FSG | 4810 / 48 — Valves, Powered |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 9334060000500 ITEM NO.4 | 5/2 Secondary reference U.S. Government activity |
| 9334000040407 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4810-01-528-6575 is a Ring,valve Piston, classified under FSC 4810, Valves, Powered. Status: active.
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.