The Shaft,shouldered, cataloged under National Stock Number 3040-00-008-9451, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Aar Allen Services, Inc Dba Aar Component Services Wellington. Government technical data includes 2 specifications, cited from the U.S. Government catalog. 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 | 3040-00-008-9451 |
| Primary Part Number | 502304 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Aar Allen Services, Inc Dba Aar Component Services Wellington |
| Status | ACTIVE |
| FSC Application Data | VALVE,BUTTERFLY,POWERED |
| 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 |
|---|---|
| 502304 PRIMARY | Aar Allen Services, Inc Dba Aar Component Services Wellington (USA) |
NSN 3040-00-008-9451 is a Shaft,shouldered, manufactured by Aar Allen Services, Inc Dba Aar Component Services Wellington, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-008-9451 has 1 manufacturer part number on file: 502304 (Aar Allen Services, Inc Dba Aar Component Services Wellington).
1 possible match (shared part number, not a government interchangeability claim): 9650-01-596-3474. Verify interchangeability with system specifications before substitution.
Key specifications for 502304: FSC Application Data: VALVE,BUTTERFLY,POWERED; Material: STEEL. 2 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.