The Shaft,shouldered, cataloged under National Stock Number 3040-01-500-5248, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is B.w. Elliott Manufacturing Co., Llc. Government technical data includes 13 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 | 3040-01-500-5248 |
| Primary Part Number | 12527M16A |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | B.w. Elliott Manufacturing Co., Llc |
| Status | ACTIVE |
| Surface Finish | 63.0 MICROINCHES |
| First End Width Across Flats | 0.625 INCHES NOMINAL IN |
| Step Quantity | 5 |
| First End Diameter | 1.3680 INCHES NOMINAL IN |
| First End Step Length | 1.000 INCHES NOMINAL IN |
| Second End Diameter | 1.0000 INCHES NOMINAL IN |
| Second End Step Length | 1.000 INCHES NOMINAL IN |
| Largest Step Diameter | 1.370 INCHES NOMINAL IN |
| First End Style | SQUARE (ROUND CORNERS) |
| End Similarity | NOT IDENTICAL |
| Second End Style | SQUARE (ROUND CORNERS) |
| Material | STEEL |
| Second End Width Across Flats | 0.625 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 |
| Part Number | Manufacturer |
|---|---|
| 12527M16A PRIMARY | B.w. Elliott Manufacturing Co., Llc (USA) |
| 12103 ITEM 1 | B.w. Elliott Manufacturing Co., Llc (USA) |
NSN 3040-01-500-5248 is a Shaft,shouldered, manufactured by B.w. Elliott Manufacturing Co., Llc, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-500-5248 has 2 manufacturer part numbers on file: 12527M16A (B.w. Elliott Manufacturing Co., Llc), 12103 ITEM 1 (B.w. Elliott Manufacturing Co., Llc).
Key specifications for 12527M16A: Surface Finish: 63.0 MICROINCHES; First End Width Across Flats: 0.625 INCHES NOMINAL IN; Step Quantity: 5; First End Diameter: 1.3680 INCHES NOMINAL IN. 13 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.