The Adapter,stem,valve, cataloged under National Stock Number 4810-01-522-0995, is classified within Federal Supply Class 4810 (Valves, Powered) of the Valves group. The manufacturer of record is Curtiss-Wright Flow Control Corporation Dba Curtiss-Wright Flow Control Co Div Curtiss-Wright / Nu-Torque. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4810-01-522-0995 |
| Primary Part Number | 12291 |
| Item Name | Adapter,stem,valve |
| FSC / FSG | 4810 / 48 — Valves, Powered |
| Manufacturer | Curtiss-Wright Flow Control Corporation Dba Curtiss-Wright Flow Control Co Div Curtiss-Wright / Nu-Torque |
| Status | ACTIVE |
| Material | STEEL |
| 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 |
|---|---|
| 12291 PRIMARY | Curtiss-Wright Flow Control Corporation Dba Curtiss-Wright Flow Control Co Div Curtiss-Wright / Nu-Torque (USA) |
| B6814 ITEM 6 | Curtiss-Wright Flow Control Corporation Dba Curtiss-Wright Flow Control Co Div Curtiss-Wright / Nu-Torque (USA) |
| Reference | Meaning |
|---|---|
| B6814 | D/9 Drawing number reference only Curtiss-Wright Flow Control Corporation Dba Curtiss-Wright Flow Control Co Div Curtiss-Wright / Nu-Torque |
NSN 4810-01-522-0995 is a Adapter,stem,valve, manufactured by Curtiss-Wright Flow Control Corporation Dba Curtiss-Wright Flow Control Co Div Curtiss-Wright / Nu-Torque, classified under FSC 4810, Valves, Powered. Status: active.
NSN 4810-01-522-0995 has 2 manufacturer part numbers on file: 12291 (Curtiss-Wright Flow Control Corporation Dba Curtiss-Wright Flow Control Co Div Curtiss-Wright / Nu-Torque), B6814 ITEM 6 (Curtiss-Wright Flow Control Corporation Dba Curtiss-Wright Flow Control Co Div Curtiss-Wright / Nu-Torque).
2 possible matches (shared part number, not a government interchangeability claim): 4810-01-556-1650, 5305-01-665-8380. Verify interchangeability with system specifications before substitution.
Key specifications for 12291: Special Features: ADAPTER FOR 3" AND 3" 3-WAY BNL BALL VALVE STEM TO MOUNT NU-TORQUE MS12Q ACTUATOR.; End Item Identification: 4810-01-479-5196, 4810-01-518-1353, 4810-01-518-1341; Material: STEEL. 1 specification is 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.