The Shaft,shouldered, cataloged under National Stock Number 3040-01-101-1576, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 11 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-101-1576 |
| Primary Part Number | RE-B102131 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Surface Finish | 32.0 MICROINCHES |
| Step Quantity | 3 |
| First End Diameter | 0.3130 INCHES NOMINAL IN |
| Second End Diameter | 0.3130 INCHES NOMINAL IN |
| Largest Step Diameter | 0.313 INCHES NOMINAL IN |
| First End Style | PLAIN |
| Material Document and Classification | QQ-N-281,CLASS A FED SPEC SINGLE MATERIAL RESPONSE |
| End Similarity | NOT IDENTICAL |
| Second End Style | INTERNAL THREADED |
| Material | NICKEL ALLOY |
| Second End Internal Thread Length | 0.188 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 |
|---|---|
| RE-B102131 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| ASC1539000 | 5/9 Secondary reference Asc Pty Ltd |
NSN 3040-01-101-1576 is a Shaft,shouldered, manufactured by Naval Sea Systems Command, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-101-1576 has 1 manufacturer part number on file: RE-B102131 (Naval Sea Systems Command).
Key specifications for RE-B102131: Surface Finish: 32.0 MICROINCHES; Step Quantity: 3; First End Diameter: 0.3130 INCHES NOMINAL IN; Second End Diameter: 0.3130 INCHES NOMINAL IN. 11 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.