The Shaft,shouldered, cataloged under National Stock Number 3040-00-460-9064, 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 18 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. 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 | 3040-00-460-9064 |
| Primary Part Number | 671665 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp |
| Status | ACTIVE |
| Surface Finish | 32.0 MICROINCHES |
| Step Quantity | 4 |
| First End Diameter | 0.2480 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN |
| First End Flat Depth | 0.0280 INCHES MINIMUM AND 0.0350 INCHES MAXIMUM IN |
| Second End Diameter | 0.1245 INCHES MINIMUM AND 0.1247 INCHES MAXIMUM IN |
| Largest Step Diameter | 0.248 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN |
| Second End Angle Between Keyways | 120.0 DEGREES NOMINAL |
| First End Style | FLATTED |
| Material Document and Classification | QQ-S-763,CL 303,COND A FED SPEC SINGLE MATERIAL RESPONSE |
| Second End Groove Diameter | 0.1180 INCHES NOMINAL IN |
| Second End Keyway Depth | 0.0077 INCHES MINIMUM AND 0.0127 INCHES MAXIMUM IN |
| End Similarity | NOT IDENTICAL |
| Second End Groove Width | 0.2700 INCHES MINIMUM AND 0.3200 INCHES MAXIMUM IN |
| Second End Distance From End to Groove | 0.876 INCHES NOMINAL IN |
| Second End Style | CIRCULAR GROOVED AND TWO FLAT KEYWAYS |
| First End Flat Length | 0.5625 INCHES NOMINAL IN |
| Material | STEEL CORROSION RESISTING |
| External Keyway Length | 0.250 INCHES NOMINAL SECOND END IN |
| 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 |
|---|---|
| 671665 PRIMARY | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA) |
NSN 3040-00-460-9064 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 3040-00-460-9064 has 1 manufacturer part number on file: 671665 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp).
1 possible match (shared part number, not a government interchangeability claim): 6750-01-427-6019. Verify interchangeability with system specifications before substitution.
Key specifications for 671665: Surface Finish: 32.0 MICROINCHES; Step Quantity: 4; First End Diameter: 0.2480 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN; First End Flat Depth: 0.0280 INCHES MINIMUM AND 0.0350 INCHES MAXIMUM IN. 18 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 3040-00-460-9064 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.