The Shaft,shouldered, cataloged under National Stock Number 3040-00-938-0180, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp. Government technical data includes 14 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-00-938-0180 |
| Primary Part Number | 658805 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp |
| Status | ACTIVE |
| FSC Application Data | COMPUTERS,NAVIGATIONAL |
| Step Quantity | 2 |
| First End Diameter | 0.2450 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN |
| First End Flat Depth | 0.0300 INCHES MINIMUM AND 0.0350 INCHES MAXIMUM IN |
| Second End Diameter | 0.1400 INCHES MINIMUM AND 0.1402 INCHES MAXIMUM IN |
| Second End Step Length | 0.287 INCHES NOMINAL IN |
| Largest Step Diameter | 0.245 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN |
| First End Style | FLATTED |
| Second End Angle Between Flats | 60.0 DEGREES NOMINAL |
| Material Document and Classification | QQ-S-763,TY 303,COND A FED SPEC SINGLE MATERIAL RESPONSE |
| End Similarity | NOT IDENTICAL |
| Second End Style | TWO FLATS |
| First End Flat Length | 0.455 INCHES NOMINAL IN |
| Material | STEEL CORROSION RESISTING |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 658805 PRIMARY | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA) |
NSN 3040-00-938-0180 is a Shaft,shouldered, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-938-0180 has 1 manufacturer part number on file: 658805 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp).
Key specifications for 658805: FSC Application Data: COMPUTERS,NAVIGATIONAL; Step Quantity: 2; First End Diameter: 0.2450 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN; First End Flat Depth: 0.0300 INCHES MINIMUM AND 0.0350 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.
NSN 3040-00-938-0180 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.