The Piston,valve, cataloged under National Stock Number 4810-01-566-7568, is classified within Federal Supply Class 4810 (Valves, Powered) of the Valves group. The manufacturer of record is Duchesne, Inc. Dba Max-Air. The record lists 1 manufacturer part number 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.
| Parameter | Value |
|---|---|
| NSN | 4810-01-566-7568 |
| Primary Part Number | B90-112 |
| Item Name | Piston,valve |
| FSC / FSG | 4810 / 48 — Valves, Powered |
| Manufacturer | Duchesne, Inc. Dba Max-Air |
| 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 |
| Part Number | Manufacturer |
|---|---|
| B90-112 PRIMARY | Duchesne, Inc. Dba Max-Air (USA) |
NSN 4810-01-566-7568 is a Piston,valve, manufactured by Duchesne, Inc. Dba Max-Air, classified under FSC 4810, Valves, Powered. Status: active.
NSN 4810-01-566-7568 has 1 manufacturer part number on file: B90-112 (Duchesne, Inc. Dba Max-Air).
1 possible match (shared part number, not a government interchangeability claim): 4730-01-642-8338. Verify interchangeability with system specifications before substitution.
Key specifications for B90-112: Special Features: 2ND STAGE PISTON; End Item Identification: 4310-01-515-7800. 0 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.