The Extension Shaft, cataloged under National Stock Number 3040-00-431-7449, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Us Army Aviation and Missile Command. Government technical data includes 13 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 | 3040-00-431-7449 |
| Primary Part Number | 10676171-2 |
| Item Name | Extension Shaft |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Us Army Aviation and Missile Command |
| Status | ACTIVE |
| Socket Diameter | 0.375 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN |
| Length | 0.800 INCHES NOMINAL IN |
| Socket Depth | 0.375 INCHES NOMINAL IN |
| Style Designator | PLAIN SOCKET |
| Material Document and Classification | ASTM A582,COND A ASSN STD SINGLE MATERIAL RESPONSE |
| Outside Diameter | 0.562 INCHES NOMINAL IN |
| Shaft End Design | MALE AND FEMALE |
| Shaft End Diameter | 0.234 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE |
| Material | STEEL COMP 303 |
| Shoulder Length | 0.500 INCHES NOMINAL IN |
| End Type | INTEGRAL COUPLING |
| Shaft End Configuration | ROUND |
| 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 |
|---|---|
| 10676171-2 PRIMARY | Us Army Aviation and Missile Command (USA) |
NSN 3040-00-431-7449 is a Extension Shaft, manufactured by Us Army Aviation and Missile Command, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-431-7449 has 1 manufacturer part number on file: 10676171-2 (Us Army Aviation and Missile Command).
Key specifications for 10676171-2: Socket Diameter: 0.375 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN; Length: 0.800 INCHES NOMINAL IN; Socket Depth: 0.375 INCHES NOMINAL IN; Style Designator: PLAIN SOCKET. 13 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.