The Shaft,straight, cataloged under National Stock Number 3040-00-780-2589, 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 15 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 | 3040-00-780-2589 |
| Primary Part Number | 10887351 |
| 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 | 250.0 MICROINCHES |
| Second End External Thread Length | 0.720 INCHES NOMINAL IN |
| First End Diameter | 0.6685 INCHES MINIMUM AND 0.6687 INCHES MAXIMUM IN |
| First End Distance From Keyway Center to End | 0.430 INCHES NOMINAL IN |
| First End Style | WOODRUFF KEYWAY AND CIRCULAR GROOVED |
| Material Document and Classification | QQ-S-634,COMP 1015-1025 MIL SPEC SINGLE MATERIAL RESPONSE |
| End Similarity | NOT IDENTICAL |
| First End Distance From End to Groove | 0.120 INCHES NOMINAL IN |
| Second End Groove Width | 0.0900 INCHES NOMINAL IN |
| Second End Distance From End to Groove | 0.720 INCHES NOMINAL IN |
| First End Groove Diameter | 0.5140 INCHES NOMINAL IN |
| Second End Style | CIRCULAR GROOVED AND EXTERNALLY THREADED |
| Material | STEEL |
| First End Groove Width | 0.0390 INCHES MINIMUM AND 0.0420 INCHES MAXIMUM IN |
| First End Keyway Width | 0.1240 INCHES MINIMUM AND 0.1255 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 |
|---|---|
| 10887351 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 3040-00-780-2589 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 3040-00-780-2589 has 1 manufacturer part number on file: 10887351 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 10887351: Surface Finish: 250.0 MICROINCHES; Second End External Thread Length: 0.720 INCHES NOMINAL IN; First End Diameter: 0.6685 INCHES MINIMUM AND 0.6687 INCHES MAXIMUM IN; First End Distance From Keyway Center to End: 0.430 INCHES NOMINAL IN. 15 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.