The Shaft,shouldered, cataloged under National Stock Number 3040-00-938-0179, 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 17 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 | 3040-00-938-0179 |
| Primary Part Number | 661310 |
| 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 |
| FSC Application Data | INERTIAL GUIDANCE SYSTEM |
| Step Quantity | 3 |
| First End Diameter | 0.1245 INCHES MINIMUM AND 0.1247 INCHES MAXIMUM IN |
| Second End Diameter | 0.1245 INCHES MINIMUM AND 0.1247 INCHES MAXIMUM IN |
| Largest Step Diameter | 0.170 INCHES NOMINAL IN |
| First End Style | CIRCULAR GROOVED |
| Material Document and Classification | QQ-S-763,COMP 303,COND A FED SPEC SINGLE MATERIAL RESPONSE |
| Second End Groove Diameter | 0.1090 INCHES NOMINAL IN |
| End Similarity | NOT IDENTICAL |
| First End Distance From End to Groove | 0.0780 INCHES MINIMUM AND 0.0830 INCHES MAXIMUM IN |
| Second End Groove Width | 0.0200 INCHES NOMINAL IN |
| Second End Distance From End to Groove | 0.085 INCHES NOMINAL IN |
| First End Groove Diameter | 0.0950 INCHES MINIMUM AND 0.0970 INCHES MAXIMUM IN |
| Second End Style | CIRCULAR GROOVED |
| Material | STEEL CORROSION RESISTING |
| First End Groove Width | 0.0620 INCHES MINIMUM AND 0.0650 INCHES MAXIMUM 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 |
|---|---|
| 661310 PRIMARY | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA) |
NSN 3040-00-938-0179 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 3040-00-938-0179 has 1 manufacturer part number on file: 661310 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp).
Key specifications for 661310: Surface Finish: 32.0 MICROINCHES; FSC Application Data: INERTIAL GUIDANCE SYSTEM; Step Quantity: 3; First End Diameter: 0.1245 INCHES MINIMUM AND 0.1247 INCHES MAXIMUM IN. 17 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 3040-00-938-0179 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.