The Shaft,shouldered, cataloged under National Stock Number 3040-00-484-0740, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Burch Company Inc, the. Government technical data includes 15 specifications, 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-00-484-0740 |
| Primary Part Number | SA2263A |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Burch Company Inc, the |
| Status | ACTIVE |
| Step Quantity | 3 |
| First End Diameter | 1.2500 INCHES NOMINAL IN |
| First End Distance From Keyway Center to End | 0.938 INCHES NOMINAL IN |
| Second End Diameter | 1.9380 INCHES NOMINAL IN |
| Largest Step Diameter | 1.938 INCHES NOMINAL IN |
| Second End Distance From Keyway Center to End | 10.875 INCHES NOMINAL IN |
| First End Style | WOODRUFF KEYWAY |
| Second End Keyway Width | 0.5000 INCHES NOMINAL IN |
| Second End Keyway Depth | 0.250 INCHES NOMINAL IN |
| End Similarity | NOT IDENTICAL |
| Second End Style | INDENTED FLAT KEYWAY |
| Material | STEEL COMP 1045 |
| External Keyway Length | 1.500 INCHES NOMINAL FIRST END IN |
| External Keyway Length | 14.000 INCHES NOMINAL SECOND END IN |
| First End Keyway Width | 0.3750 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 3040-00-484-0740 is a Shaft,shouldered, manufactured by Burch Company Inc, the, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-484-0740 has 2 manufacturer part numbers on file: SA2263A (Burch Company Inc, the), 2263A (Burch Company Inc, the).
Key specifications for SA2263A: Step Quantity: 3; First End Diameter: 1.2500 INCHES NOMINAL IN; First End Distance From Keyway Center to End: 0.938 INCHES NOMINAL IN; Second End Diameter: 1.9380 INCHES NOMINAL IN. 15 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.