The Shaft,straight, cataloged under National Stock Number 3040-01-185-5385, 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 16 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-185-5385 |
| Primary Part Number | 10900574 |
| Item Name | Shaft,straight |
| 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 |
| First End Diameter | 1.2495 INCHES MINIMUM AND 1.2500 INCHES MAXIMUM IN |
| Second End Diameter | 1.2495 INCHES MINIMUM AND 1.2500 INCHES MAXIMUM IN |
| Second End Spline Minor Diameter | 1.0230 INCHES MINIMUM AND 1.0800 INCHES MAXIMUM IN |
| First End Style | THREADED CROSS DRILLED (THRU HOLE) |
| Second End Spline Major Diameter | 1.2495 INCHES MINIMUM AND 1.2500 INCHES MAXIMUM IN |
| Material Document and Classification | QQ-S-624 FED SPEC SINGLE MATERIAL RESPONSE |
| Second End Groove Diameter | 0.7490 INCHES MINIMUM AND 0.7500 INCHES MAXIMUM IN |
| End Similarity | NOT IDENTICAL |
| Second End Spline Quantity | 10 |
| Second End Groove Width | 0.0730 INCHES NOMINAL IN |
| Second End Distance From End to Groove | 0.437 INCHES NOMINAL IN |
| Second End Style | CIRCULAR GROOVED AND SPLINED (STRAIGHT) |
| Material | STEEL |
| First End Distance From Hole Center to End | 2.094 INCHES NOMINAL IN |
| Second End Spline Length | 0.7490 INCHES MINIMUM AND 0.7500 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 |
NSN 3040-01-185-5385 is a Shaft,straight, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-185-5385 has 3 manufacturer part numbers on file: 328-775X (Parker Hannifin Corporation Div Chelsea Products Division), 10900574 (U S Army Tank Automotive Command Amsta-Im-Mm), 9P-20 (Parker Hannifin Corporation Div Chelsea Products Division).
Key specifications for 10900574: Surface Finish: 16.0 MICROINCHES; First End Diameter: 1.2495 INCHES MINIMUM AND 1.2500 INCHES MAXIMUM IN; Second End Diameter: 1.2495 INCHES MINIMUM AND 1.2500 INCHES MAXIMUM IN; Second End Spline Minor Diameter: 1.0230 INCHES MINIMUM AND 1.0800 INCHES MAXIMUM IN. 16 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.