The Shaft,shouldered, cataloged under National Stock Number 3040-00-563-3823, 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 19 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 | 3040-00-563-3823 |
| Primary Part Number | 8171691 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Us Army Aviation and Missile Command |
| Status | ACTIVE |
| Second End External Thread Length | 0.5870 INCHES NOMINAL IN |
| Step Quantity | 6 |
| First End Diameter | 0.7873 INCHES MINIMUM AND 0.7876 INCHES MAXIMUM IN |
| Second End Diameter | 0.7756 INCHES MINIMUM AND 0.7810 INCHES MAXIMUM IN |
| Largest Step Diameter | 1.000 INCHES NOMINAL IN |
| First End Style | CIRCULAR GROOVED |
| Second End Keyway Width | 0.1875 INCHES NOMINAL IN |
| Material Document and Classification | QQ-S-633 FED SPEC SINGLE MATERIAL RESPONSE |
| Second End Groove Diameter | 0.7190 INCHES NOMINAL IN |
| Second End Keyway Depth | 0.0781 INCHES NOMINAL IN |
| End Similarity | NOT IDENTICAL |
| First End Distance From End to Groove | 0.1400 INCHES NOMINAL IN |
| Second End Groove Width | 0.0625 INCHES NOMINAL IN |
| Second End Distance From End to Groove | 0.5870 INCHES NOMINAL IN |
| First End Groove Diameter | 0.7420 INCHES MINIMUM AND 0.7480 INCHES MAXIMUM IN |
| Second End Style | CIRCULAR GROOVED FLAT KEYWAY AND EXTERNALLY THREADED |
| Material | STEEL COMP 1045 |
| First End Groove Width | 0.0620 INCHES NOMINAL IN |
| External Keyway Length | 0.7430 INCHES NOMINAL SECOND END 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 |
|---|---|
| 8171691 PRIMARY | Us Army Aviation and Missile Command (USA) |
NSN 3040-00-563-3823 is a Shaft,shouldered, manufactured by Us Army Aviation and Missile Command, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-563-3823 has 1 manufacturer part number on file: 8171691 (Us Army Aviation and Missile Command).
Key specifications for 8171691: Second End External Thread Length: 0.5870 INCHES NOMINAL IN; Step Quantity: 6; First End Diameter: 0.7873 INCHES MINIMUM AND 0.7876 INCHES MAXIMUM IN; Second End Diameter: 0.7756 INCHES MINIMUM AND 0.7810 INCHES MAXIMUM IN. 19 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.