The Piston,valve, cataloged under National Stock Number 4820-01-012-8507, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Rogerson Aircraft Equipment Group. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Piston,valve |
| FSC / FSG | 4820 — Valves, Nonpowered (FSG 48) |
| Manufacturers | United Dynamics, Inc (CAGE 0XWR4); Rogerson Aircraft Equipment Group (CAGE 04192) |
| Parameter | Value |
|---|---|
| NSN | 4820-01-012-8507 |
| Primary Part Number | 26606 |
| Item Name | Piston,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Rogerson Aircraft Equipment Group |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 19093000-10 | United Dynamics, Inc (USA) |
| 26606 PRIMARY | Rogerson Aircraft Equipment Group (USA) |
NSN 4820-01-012-8507 is a Piston,valve, manufactured by Rogerson Aircraft Equipment Group, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-012-8507 has 2 manufacturer part numbers on file: 19093000-10 (United Dynamics, Inc), 26606 (Rogerson Aircraft Equipment Group).
1 possible match (shared part number, not a government interchangeability claim): 5935-01-484-0341. Verify interchangeability with system specifications before substitution.
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 4820-01-012-8507 has DEMIL Code D. 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.