The Shaft,shouldered, cataloged under National Stock Number 3040-00-533-0810, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.. Government technical data includes 12 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Parameter | Value |
|---|---|
| NSN | 3040-00-533-0810 |
| Primary Part Number | 240976 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. |
| Status | ACTIVE |
| Step Quantity | 7 |
| First End Diameter | 0.6885 INCHES MINIMUM AND 0.6895 INCHES MAXIMUM IN |
| Second End Diameter | 0.8189 INCHES MINIMUM AND 0.8195 INCHES MAXIMUM IN |
| Second End Step Length | 0.1460 INCHES MINIMUM AND 0.1466 INCHES MAXIMUM IN |
| Largest Step Diameter | 0.8185 INCHES MINIMUM AND 0.8195 INCHES MAXIMUM IN |
| First End Style | PLAIN |
| Material Document and Classification | AMS 4120 ASSN STD SINGLE MATERIAL RESPONSE |
| Second End Tongue Width | 0.5520 INCHES MINIMUM AND 0.5720 INCHES MAXIMUM IN |
| End Similarity | NOT IDENTICAL |
| Second End Tongue Thickness | 0.1150 INCHES MINIMUM AND 0.1350 INCHES MAXIMUM IN |
| Second End Style | TONGUE |
| Material | ALUMINUM ALLOY |
| 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 |
|---|---|
| 240976 PRIMARY | Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. (CAN) |
| Reference | Meaning |
|---|---|
| 240976 | 5/9 Secondary reference Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| AE240976 | 5/9 Secondary reference Airmotive Engineering Corp Div of Engine Components Inc |
| AS240976 | 5/9 Secondary reference Aircraft Supplies |
NSN 3040-00-533-0810 is a Shaft,shouldered, manufactured by Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp., classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-533-0810 has 1 manufacturer part number on file: 240976 (Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.).
1 possible match (shared part number, not a government interchangeability claim): 2990-01-484-1145. Verify interchangeability with system specifications before substitution.
Key specifications for 240976: Step Quantity: 7; First End Diameter: 0.6885 INCHES MINIMUM AND 0.6895 INCHES MAXIMUM IN; Second End Diameter: 0.8189 INCHES MINIMUM AND 0.8195 INCHES MAXIMUM IN; Second End Step Length: 0.1460 INCHES MINIMUM AND 0.1466 INCHES MAXIMUM IN. 12 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.