The Shaft,shouldered, cataloged under National Stock Number 3040-00-293-4090, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 21 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-00-293-4090 |
| Primary Part Number | CPR103889 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Surface Finish | 32.0 MICROINCHES |
| FSC Application Data | FAN DRIVE,ENGINE,NON-AIRCRAFT |
| Second End External Thread Length | 0.770 INCHES NOMINAL IN |
| Step Quantity | 4 |
| First End Diameter | 2.0000 INCHES NOMINAL IN |
| Second End Diameter | 1.5232 INCHES MINIMUM AND 1.5269 INCHES MAXIMUM IN |
| Largest Step Diameter | 1.814 INCHES MINIMUM AND 1.815 INCHES MAXIMUM IN |
| First End Style | CIRCULAR GROOVED |
| Second End Keyway Width | 0.3120 INCHES MINIMUM AND 0.3270 INCHES MAXIMUM IN |
| Material Document and Classification | QQ-S-624 FED SPEC SINGLE MATERIAL RESPONSE |
| Second End Groove Diameter | 1.4840 INCHES NOMINAL IN |
| Second End Keyway Depth | 0.094 INCHES MINIMUM IN |
| End Similarity | NOT IDENTICAL |
| First End Distance From End to Groove | 0.250 INCHES NOMINAL IN |
| Second End Groove Width | 0.9000 INCHES NOMINAL IN |
| Second End Distance From End to Groove | 0.770 INCHES NOMINAL IN |
| First End Groove Diameter | 1.7500 INCHES NOMINAL IN |
| Second End Style | CIRCULAR GROOVED FLAT KEYWAY AND EXTERNALLY THREADED |
| Material | STEEL COMP 4130 |
| First End Groove Width | 0.0900 INCHES NOMINAL IN |
| External Keyway Length | 0.745 INCHES NOMINAL SECOND END 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 |
|---|---|
| CPR103889 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 2930002934090 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| 2930002934090 | 5/9 Secondary reference E.c.a Etablissement Centrald'approvisionnement Des Forces Armee |
NSN 3040-00-293-4090 is a Shaft,shouldered, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-293-4090 has 1 manufacturer part number on file: CPR103889 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for CPR103889: Surface Finish: 32.0 MICROINCHES; FSC Application Data: FAN DRIVE,ENGINE,NON-AIRCRAFT; Second End External Thread Length: 0.770 INCHES NOMINAL IN; Step Quantity: 4. 21 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.