The Shaft,shouldered, cataloged under National Stock Number 3040-00-786-8112, 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 11 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 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-00-786-8112 |
| Primary Part Number | 9170823 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Us Army Aviation and Missile Command |
| Status | ACTIVE |
| Step Quantity | 5 |
| First End Diameter | 0.2500 INCHES MAXIMUM IN |
| Second End Diameter | 0.2188 INCHES MAXIMUM IN |
| Second End Step Length | 0.500 INCHES MAXIMUM IN |
| Largest Step Diameter | 0.250 INCHES MAXIMUM IN |
| First End Style | PLAIN |
| Second End Angle Between Flats | 60.0 DEGREES MAXIMUM |
| Material Document and Classification | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE |
| End Similarity | NOT IDENTICAL |
| Second End Style | TWO FLATS |
| Material | STEEL COMP 303 |
| 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 |
|---|---|
| 9170823 PRIMARY | Us Army Aviation and Missile Command (USA) |
NSN 3040-00-786-8112 is a Shaft,shouldered, manufactured by Us Army Aviation and Missile Command, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-786-8112 has 1 manufacturer part number on file: 9170823 (Us Army Aviation and Missile Command).
1 possible match (shared part number, not a government interchangeability claim): 4140-01-338-1147. Verify interchangeability with system specifications before substitution.
Key specifications for 9170823: Step Quantity: 5; First End Diameter: 0.2500 INCHES MAXIMUM IN; Second End Diameter: 0.2188 INCHES MAXIMUM IN; Second End Step Length: 0.500 INCHES MAXIMUM IN. 11 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.