The Shaft,shouldered, cataloged under National Stock Number 3040-00-738-9237, 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 8 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 | 3040-00-738-9237 |
| Primary Part Number | 7389237 |
| 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 | 16.0 MICROINCHES |
| Step Quantity | 3 |
| First End Diameter | 0.4723 INCHES MINIMUM AND 0.4726 INCHES MAXIMUM IN |
| Largest Step Diameter | 0.4995 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN |
| First End Style | PLAIN |
| Material Document and Classification | QQ-S-633 FED SPEC ALL MATERIAL RESPONSES |
| End Similarity | IDENTICAL |
| Material | STEEL COMP 1112 OR STEEL COMP 1113 OR STEEL COMP 1013 OR STEEL COMP 1020 |
| 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 |
|---|---|
| 7389237 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 3040-00-738-9237 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 3040-00-738-9237 has 1 manufacturer part number on file: 7389237 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 7389237: Surface Finish: 16.0 MICROINCHES; Step Quantity: 3; First End Diameter: 0.4723 INCHES MINIMUM AND 0.4726 INCHES MAXIMUM IN; Largest Step Diameter: 0.4995 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN. 8 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.