The Piston,valve, cataloged under National Stock Number 4810-00-808-0185, is classified within Federal Supply Class 4810 (Valves, Powered) of the Valves group. The manufacturer of record is Aero Engineering & Manufacturing Company of California, Llc Dba Aeroengineering & Manufacturing Co. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4810 — Valves, Powered (FSG 48) |
| Manufacturers | Aero Engineering & Manufacturing Company of California, Llc Dba Aeroengineering & Manufacturing Co (CAGE 17772) |
| Parameter | Value |
|---|---|
| NSN | 4810-00-808-0185 |
| Primary Part Number | 923171-1 |
| Item Name | Piston,valve |
| FSC / FSG | 4810 / 48 — Valves, Powered |
| Manufacturer | Aero Engineering & Manufacturing Company of California, Llc Dba Aeroengineering & Manufacturing Co |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 923171-1 | Aero Engineering & Manufacturing Company of California, Llc Dba Aeroengineering & Manufacturing Co (USA) |
| Reference | Meaning |
|---|---|
| 923171 | D/9 Drawing number reference only U.S. Government activity |
| 923171-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4810-00-808-0185 is a Piston,valve, manufactured by Aero Engineering & Manufacturing Company of California, Llc Dba Aeroengineering & Manufacturing Co, classified under FSC 4810, Valves, Powered. Status: active.
NSN 4810-00-808-0185 has 1 manufacturer part number on file: 923171-1 (Aero Engineering & Manufacturing Company of California, Llc Dba Aeroengineering & Manufacturing Co).
1 possible match (shared part number, not a government interchangeability claim): 5961-01-333-8514. 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 4810-00-808-0185 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.