The Shaft,straight, cataloged under National Stock Number 3040-01-073-9723, 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 25 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3040-01-073-9723 |
| Primary Part Number | 12287895 |
| Item Name | Shaft,straight |
| 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 |
| Surface Finish | 63.0 MICROINCHES |
| First End Diameter | 0.4790 INCHES NOMINAL IN |
| First End Spline Major Diameter | 0.4790 INCHES NOMINAL IN |
| Second End Diameter | 0.4790 INCHES NOMINAL IN |
| Second End Spline Minor Diameter | 0.4060 INCHES NOMINAL IN |
| First End Distance Between First and Second Groove Centers | 0.206 INCHES NOMINAL IN |
| First End Style | TWO CIRCULAR GROOVES, SPLINED AND INTERNALLY THREADED |
| Second End Spline Major Diameter | 0.4790 INCHES NOMINAL IN |
| First End Internal Thread Length | 0.560 INCHES NOMINAL IN |
| Material Document and Classification | ASTM A322 AL 4130/8630 ASSN STD ALL MATERIAL RESPONSES |
| Second End Groove Diameter | 0.4330 INCHES NOMINAL IN |
| First End Spline Length | 0.289 INCHES NOMINAL IN |
| First End Spline Quantity | 22 |
| End Similarity | NOT IDENTICAL |
| First End Distance From End to Groove | 0.289 INCHES NOMINAL IN |
| Second End Spline Quantity | 22 |
| Second End Groove Width | 0.1990 INCHES NOMINAL IN |
| Second End Distance From End to Groove | 1.990 INCHES NOMINAL IN |
| First End Groove Diameter | 0.4330 INCHES NOMINAL IN |
| Second End Style | CIRCULAR GROOVED, SPLINED (STRAIGHT) AND EXTERNALLY THREADED |
| First End Spline Minor Diameter | 0.4060 INCHES NOMINAL IN |
| Material | STEEL COMP 4130 OR STEEL COMP 8630 |
| First End Groove Width | 0.1560 INCHES NOMINAL IN |
| Second End Internal Thread Length | 0.750 INCHES NOMINAL IN |
| Second End Spline Length | 1.990 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 12287895 PRIMARY | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA) |
| Reference | Meaning |
|---|---|
| 12274090 | 5/9 Secondary reference U S Army Tank Automotive Command Amsta-Im-Mm |
NSN 3040-01-073-9723 is a Shaft,straight, 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 3040-01-073-9723 has 1 manufacturer part number on file: 12287895 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate).
Key specifications for 12287895: Surface Finish: 63.0 MICROINCHES; First End Diameter: 0.4790 INCHES NOMINAL IN; First End Spline Major Diameter: 0.4790 INCHES NOMINAL IN; Second End Diameter: 0.4790 INCHES NOMINAL IN. 25 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 3040-01-073-9723 has DEMIL Code Q. 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.