The Shaft,shouldered, cataloged under National Stock Number 3040-00-031-7189, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Honeywell International Inc. Div Aerospace - Torrance. Government technical data includes 9 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 3040-00-031-7189 |
| Primary Part Number | 73268 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Honeywell International Inc. Div Aerospace - Torrance |
| Status | ACTIVE |
| Surface Finish | 20.0 MICROINCHES |
| Step Quantity | 2 |
| First End Diameter | 0.3100 INCHES MINIMUM AND 0.3110 INCHES MAXIMUM IN |
| Largest Step Diameter | 0.3105 INCHES MINIMUM AND 0.3110 INCHES MAXIMUM IN |
| First End Style | PLAIN |
| Second End Slot Depth | 0.110 INCHES MINIMUM AND 0.112 INCHES MAXIMUM IN |
| End Similarity | NOT IDENTICAL |
| Second End Style | SLOTTED |
| 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 |
| Part Number | Manufacturer |
|---|---|
| 73268 PRIMARY | Honeywell International Inc. Div Aerospace - Torrance (USA) |
| 73268 | Service & Sales Inc (USA) |
| Reference | Meaning |
|---|---|
| 73268 | 5/9 Secondary reference Alliedsignal Inc Dba Allied-Signal Aerospace Co |
| 73268 | 5/2 Secondary reference U.S. Government activity |
NSN 3040-00-031-7189 is a Shaft,shouldered, manufactured by Honeywell International Inc. Div Aerospace - Torrance, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-031-7189 has 2 manufacturer part numbers on file: 73268 (Honeywell International Inc. Div Aerospace - Torrance), 73268 (Service & Sales Inc).
2 possible matches (shared part number, not a government interchangeability claim): 3020-00-147-1521, 5950-00-581-8318. Verify interchangeability with system specifications before substitution.
Key specifications for 73268: Surface Finish: 20.0 MICROINCHES; Step Quantity: 2; First End Diameter: 0.3100 INCHES MINIMUM AND 0.3110 INCHES MAXIMUM IN; Largest Step Diameter: 0.3105 INCHES MINIMUM AND 0.3110 INCHES MAXIMUM IN. 9 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.