The Shaft,shouldered, cataloged under National Stock Number 3040-01-023-2799, 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 20 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-023-2799 |
| Primary Part Number | 11678548 |
| 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 | 125.0 MICROINCHES |
| FSC Application Data | STOWAGE RACK,VEHICULAR |
| Step Quantity | 10 |
| First End Diameter | 0.5000 INCHES NOMINAL IN |
| First End Distance From Keyway Center to End | 0.8440 INCHES NOMINAL IN |
| Second End Diameter | 0.0374 INCHES MINIMUM AND 0.3750 INCHES MAXIMUM IN |
| Largest Step Diameter | 1.2190 INCHES NOMINAL IN |
| First End External Thread Length | 0.4690 INCHES NOMINAL IN |
| First End Style | CIRCULAR GROOVED WOODRUFF KEYWAY AND EXTERNALLY THREADED |
| Material Document and Classification | QQ-S-633 FED SPEC ALL MATERIAL RESPONSES |
| Second End Slot Depth | 0.0600 INCHES MINIMUM AND 0.1000 INCHES MAXIMUM IN |
| End Similarity | NOT IDENTICAL |
| Second End Slot Width | 0.0600 INCHES NOMINAL IN |
| First End Distance From End to Groove | 0.4690 INCHES NOMINAL IN |
| First End Groove Diameter | 0.4380 INCHES NOMINAL IN |
| Second End Style | SLOTTED |
| Material | STEEL COMP 1020 OR STEEL COMP 1030 |
| First End Groove Width | 0.0615 INCHES NOMINAL IN |
| External Keyway Length | 0.6740 INCHES NOMINAL FIRST END IN |
| First End Keyway Width | 0.1860 INCHES MINIMUM AND 0.1990 INCHES MAXIMUM 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 |
|---|---|
| 11678548 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 3040-01-023-2799 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 3040-01-023-2799 has 1 manufacturer part number on file: 11678548 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 11678548: Surface Finish: 125.0 MICROINCHES; FSC Application Data: STOWAGE RACK,VEHICULAR; Step Quantity: 10; First End Diameter: 0.5000 INCHES NOMINAL IN. 20 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.