The Shaft,straight, cataloged under National Stock Number 3040-00-068-7273, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 14 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. 4 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 | 3040-00-068-7273 |
| Primary Part Number | 1770828 |
| Item Name | Shaft,straight |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Surface Finish | 32.0 MICROINCHES |
| Second End Hole Diameter | 0.0880 INCHES MINIMUM AND 0.0930 INCHES MAXIMUM IN |
| First End Diameter | 0.3123 INCHES MINIMUM AND 0.3125 INCHES MAXIMUM IN |
| Second End Diameter | 0.3123 INCHES MINIMUM AND 0.3125 INCHES MAXIMUM IN |
| First End Style | UNTHREADED CROSS DRILLED |
| Material Document and Classification | QQ-S-764,COND A FED SPEC SINGLE MATERIAL RESPONSE |
| Second End Distance From Hole Center to End | 1.730 INCHES NOMINAL IN |
| Second End Hole Depth | 0.312 INCHES NOMINAL IN |
| End Similarity | NOT IDENTICAL |
| First End Hole Diameter | 0.1120 INCHES MINIMUM AND 0.1170 INCHES MAXIMUM IN |
| Second End Style | CROSS DRILLED HOLE AND INTERNALLY THREADED |
| Material | STEEL COMP 416 |
| Second End Internal Thread Length | 0.380 INCHES NOMINAL IN |
| First End Distance From Hole Center to End | 0.190 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 |
NSN 3040-00-068-7273 is a Shaft,straight, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-068-7273 has 2 manufacturer part numbers on file: 1770828 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 41-457 (Lockheed Martin Corporation Div Rms - Mitchel Field).
4 possible matches (shared part number, not a government interchangeability claim): 2825-00-309-0015, 2990-00-805-2094, 4310-00-886-2358. Verify interchangeability with system specifications before substitution.
Key specifications for 1770828: Surface Finish: 32.0 MICROINCHES; Second End Hole Diameter: 0.0880 INCHES MINIMUM AND 0.0930 INCHES MAXIMUM IN; First End Diameter: 0.3123 INCHES MINIMUM AND 0.3125 INCHES MAXIMUM IN; Second End Diameter: 0.3123 INCHES MINIMUM AND 0.3125 INCHES MAXIMUM IN. 14 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.