The Shaft,shouldered, cataloged under National Stock Number 3040-00-734-6772, 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 14 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-00-734-6772 |
| Primary Part Number | 7346772 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Step Quantity | 5 |
| First End Diameter | 2.3765 INCHES MINIMUM AND 2.3775 INCHES MAXIMUM IN |
| First End Spline Major Diameter | 2.2485 INCHES MINIMUM AND 2.2505 INCHES MAXIMUM IN |
| Second End Diameter | 2.2510 INCHES MINIMUM AND 2.2515 INCHES MAXIMUM IN |
| Largest Step Diameter | 2.813 INCHES NOMINAL IN |
| First End Style | SPLINED (STRAIGHT) |
| Material Document and Classification | QQ-S-624 4645H FED SPEC 1ST MATERIAL RESPONSE OR QQ-S-624 4145H FED SPEC 2ND MATERIAL RESPONSE OR QQ-S-624 86845H FED SPEC 3RD MATERIAL RESPONSE |
| First End Spline Length | 1.875 INCHES NOMINAL IN |
| First End Spline Quantity | 10 |
| End Similarity | NOT IDENTICAL |
| Second End Style | INTERNAL THREADED |
| First End Spline Minor Diameter | 1.8875 INCHES MINIMUM AND 1.9475 INCHES MAXIMUM IN |
| Material | STEEL |
| Second End Internal Thread Length | 0.813 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 |
|---|---|
| 7346772 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 3880W543 | 3/9 Design control — primary reference Meritor Heavy Vehicle Systems, Llc |
| 99003R1 | 5/9 Secondary reference Navistar International Corporation Dba Navistar |
| KC5293 | 5/9 Secondary reference Diamond Reo Truck Co |
| 99003R1 | 5/2 Secondary reference U.S. Government activity |
| 2520007346772 | 5/9 Secondary reference E.c.a Etablissement Centrald'approvisionnement Des Forces Armee |
NSN 3040-00-734-6772 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 3040-00-734-6772 has 1 manufacturer part number on file: 7346772 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 7346772: Step Quantity: 5; First End Diameter: 2.3765 INCHES MINIMUM AND 2.3775 INCHES MAXIMUM IN; First End Spline Major Diameter: 2.2485 INCHES MINIMUM AND 2.2505 INCHES MAXIMUM IN; Second End Diameter: 2.2510 INCHES MINIMUM AND 2.2515 INCHES MAXIMUM IN. 14 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.