The Shaft,straight, cataloged under National Stock Number 3040-01-053-3885, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-053-3885 |
| Primary Part Number | 12277456 |
| 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 | 125.0 MICROINCHES |
| First End Diameter | 0.6600 INCHES NOMINAL IN |
| Second End Diameter | 0.7318 INCHES NOMINAL IN |
| Second End Spline Minor Diameter | 0.6068 INCHES NOMINAL IN |
| First End External Thread Length | 1.000 INCHES NOMINAL IN |
| First End Style | EXTERNAL THREADED |
| Second End Spline Major Diameter | 0.7318 INCHES NOMINAL IN |
| Material Document and Classification | QQ-S-624 FED SPEC SINGLE MATERIAL RESPONSE |
| End Similarity | NOT IDENTICAL |
| Second End Spline Quantity | 16 |
| Second End Pressure Angle | 30.0 DEGREES NOMINAL |
| Second End Style | SPLINED (INVOLUTE) |
| Material | STEEL COMP 4340 OR STEEL COMP 4140 |
| Second End Pitch Diameter | 0.6902 INCHES NOMINAL IN |
| Second End Spline Length | 1.000 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 12277456 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 12277456 | 3/9 Design control — primary reference Drs Sustainment Systems, Inc. |
NSN 3040-01-053-3885 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 3040-01-053-3885 has 1 manufacturer part number on file: 12277456 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 12277456: Surface Finish: 125.0 MICROINCHES; First End Diameter: 0.6600 INCHES NOMINAL IN; Second End Diameter: 0.7318 INCHES NOMINAL IN; Second End Spline Minor Diameter: 0.6068 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.
NSN 3040-01-053-3885 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.