The Shaft,straight, cataloged under National Stock Number 3040-00-730-6591, 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 9 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 | 3040-00-730-6591 |
| Primary Part Number | 8351566 |
| Item Name | Shaft,straight |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| First End Diameter | 2.6730 INCHES NOMINAL IN |
| First End Spline Major Diameter | 2.6730 INCHES NOMINAL IN |
| First End Style | SPLINED (STRAIGHT) |
| Material Document and Classification | QQ-S-624 FED SPEC SINGLE MATERIAL RESPONSE |
| First End Spline Length | 8.750 INCHES NOMINAL IN |
| First End Spline Quantity | 42 |
| End Similarity | IDENTICAL |
| First End Spline Minor Diameter | 2.5330 INCHES NOMINAL IN |
| Material | STEEL COMP 4145 |
| 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 |
|---|---|
| 8351566 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 3040-00-730-6591 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 3040-00-730-6591 has 1 manufacturer part number on file: 8351566 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 8351566: First End Diameter: 2.6730 INCHES NOMINAL IN; First End Spline Major Diameter: 2.6730 INCHES NOMINAL IN; First End Style: SPLINED (STRAIGHT); Material Document and Classification: QQ-S-624 FED SPEC SINGLE MATERIAL RESPONSE. 9 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.