The Shaft,shouldered, cataloged under National Stock Number 3040-01-212-8736, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Abb Motors and Mechanical Inc Div Gainsville Motor Plant. Government technical data includes 16 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-212-8736 |
| Primary Part Number | 066923078R |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Abb Motors and Mechanical Inc Div Gainsville Motor Plant |
| Status | ACTIVE |
| Surface Finish | 15.0 MICROINCHES |
| Second End External Thread Length | 0.500 INCHES NOMINAL IN |
| Step Quantity | 11 |
| First End Diameter | 1.2495 INCHES MINIMUM AND 1.2500 INCHES MAXIMUM IN |
| First End Distance From Keyway Center to End | 0.656 INCHES NOMINAL IN |
| Second End Diameter | 0.9690 INCHES NOMINAL IN |
| Largest Step Diameter | 2.000 INCHES NOMINAL IN |
| First End Style | WOODRUFF KEYWAY |
| Second End Keyway Width | 0.1880 INCHES NOMINAL IN |
| Material Document and Classification | MIL-S-890 MIL SPEC SINGLE MATERIAL RESPONSE |
| Second End Keyway Depth | 0.094 INCHES NOMINAL IN |
| End Similarity | NOT IDENTICAL |
| Second End Style | EXTERNALLY THREADED AND FLAT KEYWAY |
| Material | STEEL |
| External Keyway Length | 1.000 INCHES NOMINAL FIRST END IN |
| First End Keyway Width | 0.2480 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN |
| 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 |
|---|---|
| 066923078R PRIMARY | Abb Motors and Mechanical Inc Div Gainsville Motor Plant (USA) |
| Reference | Meaning |
|---|---|
| 87251 PIECE 40 | 5/9 Secondary reference Reliance Electric |
| 66923-78-A | 5/9 Secondary reference Reliance Electric |
| 66923-78-R | 5/9 Secondary reference Reliance Electric Company Dba Reliance & Dodge Brands |
NSN 3040-01-212-8736 is a Shaft,shouldered, manufactured by Abb Motors and Mechanical Inc Div Gainsville Motor Plant, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-212-8736 has 1 manufacturer part number on file: 066923078R (Abb Motors and Mechanical Inc Div Gainsville Motor Plant).
Key specifications for 066923078R: Surface Finish: 15.0 MICROINCHES; Second End External Thread Length: 0.500 INCHES NOMINAL IN; Step Quantity: 11; First End Diameter: 1.2495 INCHES MINIMUM AND 1.2500 INCHES MAXIMUM IN. 16 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.