The Shaft,shouldered, cataloged under National Stock Number 3040-00-802-6936, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Union Chain Div of Ust Inc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-00-802-6936 |
| Primary Part Number | 12533Q52 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Union Chain Div of Ust Inc |
| Status | ACTIVE |
| Second End Hole Diameter | 0.3125 INCHES NOMINAL IN |
| Step Quantity | 3 |
| First End Diameter | 1.0781 INCHES NOMINAL IN |
| Second End Diameter | 0.8750 INCHES NOMINAL IN |
| Second End Step Length | 0.938 INCHES NOMINAL IN |
| Largest Step Diameter | 1.078 INCHES NOMINAL IN |
| First End Style | INTERNAL THREADED |
| First End Internal Thread Length | 0.250 INCHES NOMINAL IN |
| Second End Distance From Hole Center to End | 0.406 INCHES NOMINAL IN |
| Second End Hole Depth | 0.688 INCHES NOMINAL IN |
| Second End Tongue Width | 0.875 INCHES NOMINAL IN |
| End Similarity | NOT IDENTICAL |
| Second End Tongue Thickness | 0.688 INCHES NOMINAL IN |
| Second End Style | TONGUE AND CROSS DRILLED HOLE |
| 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 |
NSN 3040-00-802-6936 is a Shaft,shouldered, manufactured by Union Chain Div of Ust Inc, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-802-6936 has 2 manufacturer part numbers on file: 12533Q52 (Union Chain Div of Ust Inc), F2467Q52 (Eagle Crusher Co Inc Dba Stedman Machine Co).
Key specifications for 12533Q52: Second End Hole Diameter: 0.3125 INCHES NOMINAL IN; Step Quantity: 3; First End Diameter: 1.0781 INCHES NOMINAL IN; Second End Diameter: 0.8750 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.