The Shaft,straight, cataloged under National Stock Number 3040-01-148-2797, 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 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-148-2797 |
| Primary Part Number | 12279044 |
| 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 | 32.0 MICROINCHES |
| Second End Flat Length | 1.250 INCHES NOMINAL IN |
| First End Pitch Diameter | 0.2916 INCHES NOMINAL IN |
| First End Diameter | 0.3747 INCHES NOMINAL IN |
| First End Spline Major Diameter | 0.3090 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM IN |
| Second End Diameter | 0.3747 INCHES NOMINAL IN |
| First End Style | SPLINED (INVOLUTE) |
| Material Document and Classification | ASTM A582,CL 303,COND A ASSN STD SINGLE MATERIAL RESPONSE |
| First End Pressure Angle | 30.0 DEGREES NOMINAL |
| First End Spline Length | 0.608 INCHES NOMINAL IN |
| First End Spline Quantity | 14 |
| End Similarity | NOT IDENTICAL |
| Second End Style | FLATTED AND INTERNALLY THREADED |
| First End Spline Minor Diameter | 0.2390 INCHES MINIMUM IN |
| Material | STEEL CORROSION RESISTING |
| Second End Internal Thread Length | 0.375 INCHES NOMINAL IN |
| Second End Flat Depth | 0.0628 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 12279044 PRIMARY | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA) |
| Reference | Meaning |
|---|---|
| 3040011482797 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
NSN 3040-01-148-2797 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 3040-01-148-2797 has 1 manufacturer part number on file: 12279044 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate).
Key specifications for 12279044: Surface Finish: 32.0 MICROINCHES; Second End Flat Length: 1.250 INCHES NOMINAL IN; First End Pitch Diameter: 0.2916 INCHES NOMINAL IN; First End Diameter: 0.3747 INCHES NOMINAL 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.
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.