The Shaft,shouldered, cataloged under National Stock Number 3040-01-161-0948, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Aljers Llc. 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through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-161-0948 |
| Primary Part Number | X73795-A |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Aljers Llc |
| Status | ACTIVE |
| Step Quantity | 12 |
| First End Diameter | 6.6250 INCHES NOMINAL IN |
| Second End Diameter | 2.4360 INCHES MINIMUM AND 2.4370 INCHES MAXIMUM IN |
| Second End Step Length | 1.250 INCHES NOMINAL IN |
| Largest Step Diameter | 6.625 INCHES NOMINAL IN |
| First End Style | PLAIN |
| Material Document and Classification | MIL-S-890 MIL SPEC SINGLE MATERIAL RESPONSE |
| End Similarity | NOT IDENTICAL |
| Second End Style | HEXAGONAL |
| Material | STEEL |
| Second End Width Across Flats | 2.000 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 |
|---|---|
| X73795-A PRIMARY | Aljers Llc (USA) |
| Reference | Meaning |
|---|---|
| D81-945-12 PIECE 1 | 5/9 Secondary reference U.S. Government activity |
| 73795-A | 3/9 Design control — primary reference U.S. Government activity |
| D-81-945-12 | D/9 Drawing number reference only U.S. Government activity |
| B-73795A | 5/9 Secondary reference U.S. Government activity |
| 3302952 | D/9 Drawing number reference only U.S. Government activity |
| X73795-A | 5/9 Secondary reference U.S. Government activity |
| 3302952 ITEM 1 | 5/2 Secondary reference U.S. Government activity |
NSN 3040-01-161-0948 is a Shaft,shouldered, manufactured by Aljers Llc, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-161-0948 has 1 manufacturer part number on file: X73795-A (Aljers Llc).
2 possible matches (shared part number, not a government interchangeability claim): 3040-01-161-6397, 3040-01-162-5071. Verify interchangeability with system specifications before substitution.
Key specifications for X73795-A: Step Quantity: 12; First End Diameter: 6.6250 INCHES NOMINAL IN; Second End Diameter: 2.4360 INCHES MINIMUM AND 2.4370 INCHES MAXIMUM IN; Second End Step Length: 1.250 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.