The Shaft,shouldered, cataloged under National Stock Number 3040-01-290-7316, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is L3 Technologies, Inc. Div L3 Keo. Government technical data includes 10 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. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-290-7316 |
| Primary Part Number | 5611345 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | L3 Technologies, Inc. Div L3 Keo |
| Status | ACTIVE |
| Surface Finish | 63.0 MICROINCHES |
| Step Quantity | 2 |
| First End Diameter | 0.1874 INCHES NOMINAL IN |
| Second End Diameter | 0.3122 INCHES NOMINAL IN |
| Largest Step Diameter | 0.312 INCHES NOMINAL IN |
| First End Style | PLAIN |
| Material Document and Classification | QQ-S-764,COND A FED SPEC SINGLE MATERIAL RESPONSE |
| End Similarity | NOT IDENTICAL |
| Second End Style | PLAIN |
| Material | STEEL COMP 304 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 3040-01-290-7316 is a Shaft,shouldered, manufactured by L3 Technologies, Inc. Div L3 Keo, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-290-7316 has 2 manufacturer part numbers on file: 5611345 (L3 Technologies, Inc. Div L3 Keo), 5611345 (Naval Sea Systems Command).
1 possible match (shared part number, not a government interchangeability claim): 5970-01-297-3111. Verify interchangeability with system specifications before substitution.
Key specifications for 5611345: Surface Finish: 63.0 MICROINCHES; Step Quantity: 2; First End Diameter: 0.1874 INCHES NOMINAL IN; Second End Diameter: 0.3122 INCHES NOMINAL IN. 10 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.