The Shaft,straight, cataloged under National Stock Number 3040-01-204-5560, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-204-5560 |
| Primary Part Number | 12331956 |
| 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 | 1.2460 INCHES MINIMUM AND 1.2500 INCHES MAXIMUM IN |
| First End Distance From Keyway Center to End | 12.560 INCHES NOMINAL IN |
| First End Style | WOODRUFF KEYWAY AND INTERNALLY THREADED |
| First End Internal Thread Length | 0.810 INCHES NOMINAL IN |
| End Similarity | IDENTICAL |
| Material | STEEL COMP 1015 |
| External Keyway Length | 1.265 INCHES MINIMUM AND 1.273 INCHES MAXIMUM FIRST END IN |
| First End Keyway Width | 0.2487 INCHES MINIMUM AND 0.2505 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 |
|---|---|
| 12331956 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 13214E2299 | 5/9 Secondary reference U.S. Government activity |
NSN 3040-01-204-5560 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 3040-01-204-5560 has 1 manufacturer part number on file: 12331956 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 12331956: First End Diameter: 1.2460 INCHES MINIMUM AND 1.2500 INCHES MAXIMUM IN; First End Distance From Keyway Center to End: 12.560 INCHES NOMINAL IN; First End Style: WOODRUFF KEYWAY AND INTERNALLY THREADED; First End Internal Thread Length: 0.810 INCHES NOMINAL 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.