The Shaft,shouldered, cataloged under National Stock Number 3040-01-386-6659, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-386-6659 |
| Primary Part Number | 9338170-2 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate |
| Status | ACTIVE |
| Step Quantity | 3 |
| First End Diameter | 0.3760 INCHES MINIMUM AND 0.3780 INCHES MAXIMUM IN |
| Second End Diameter | 0.4760 INCHES MINIMUM AND 0.4790 INCHES MAXIMUM IN |
| Largest Step Diameter | 0.476 INCHES MINIMUM AND 0.479 INCHES MAXIMUM IN |
| Second End Spline Minor Diameter | 0.4060 INCHES NOMINAL IN |
| First End External Thread Length | 0.480 INCHES MINIMUM AND 0.520 INCHES MAXIMUM IN |
| First End Style | EXTERNAL THREADED |
| Second End Spline Major Diameter | 0.4760 INCHES MINIMUM AND 0.4790 INCHES MAXIMUM IN |
| Material Document and Classification | ASTM A322 ASSN STD SINGLE MATERIAL RESPONSE OR STMA331 ASSN STD SINGLE MATERIAL RESPONSE |
| Second End Groove Diameter | 0.2780 INCHES MINIMUM AND 0.2880 INCHES MAXIMUM IN |
| End Similarity | NOT IDENTICAL |
| Second End Spline Quantity | 22 |
| Second End Groove Width | 0.0700 INCHES MINIMUM AND 0.0800 INCHES MAXIMUM IN |
| Second End Distance From End to Groove | 2.100 INCHES NOMINAL IN |
| Second End Style | CIRCULAR GROOVED, SPLINED (STRAIGHT) AND EXTERNALLY THREADED |
| Material | STEEL COMP 4340 |
| Second End Internal Thread Length | 0.750 INCHES NOMINAL IN |
| Second End Spline Length | 2.100 INCHES NOMINAL 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 |
|---|---|
| 9338170-2 PRIMARY | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA) |
| Reference | Meaning |
|---|---|
| 9338170 | D/9 Drawing number reference only Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate |
NSN 3040-01-386-6659 is a Shaft,shouldered, manufactured by Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-386-6659 has 1 manufacturer part number on file: 9338170-2 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate).
Key specifications for 9338170-2: Step Quantity: 3; First End Diameter: 0.3760 INCHES MINIMUM AND 0.3780 INCHES MAXIMUM IN; Second End Diameter: 0.4760 INCHES MINIMUM AND 0.4790 INCHES MAXIMUM IN; Largest Step Diameter: 0.476 INCHES MINIMUM AND 0.479 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 3040-01-386-6659 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.