The Shaft,shouldered, cataloged under National Stock Number 3040-00-359-4445, 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 15 specifications, cited from the U.S. Government catalog. The record lists 6 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-00-359-4445 |
| Primary Part Number | 8486316 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Us Army Aviation and Missile Command |
| Status | ACTIVE |
| Step Quantity | 9 |
| First End Diameter | 0.7500 INCHES NOMINAL IN |
| Second End Diameter | 0.6310 INCHES NOMINAL IN |
| Largest Step Diameter | 0.970 INCHES NOMINAL IN |
| Second End Spline Minor Diameter | 0.5500 INCHES NOMINAL IN |
| First End Style | FLAT KEYWAY |
| Second End Spline Major Diameter | 0.6310 INCHES NOMINAL IN |
| First End Keyway Depth | 0.106 INCHES NOMINAL IN |
| End Similarity | NOT IDENTICAL |
| Second End Spline Quantity | 12 |
| Second End Style | SPLINED (STRAIGHT) |
| Material | STEEL |
| External Keyway Length | 1.812 INCHES NOMINAL FIRST END IN |
| Second End Spline Length | 0.687 INCHES NOMINAL IN |
| First End Keyway Width | 0.1860 INCHES NOMINAL 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 |
|---|---|
| 8486316 PRIMARY | Us Army Aviation and Missile Command (USA) |
| 116644 | Eaton Aerospace, Llc Dba Jackson South (USA) |
| 8486316 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| 116-209 | Porta Drill Inc (USA) |
| 7D116644 | Fwd Seagrave Holdings Lp (USA) |
| TL7623 | Komatsu America Corporation (USA) |
| Reference | Meaning |
|---|---|
| 503093 | 5/9 Secondary reference Vme Americas Inc Sub of Vme Group N V |
| 116644 | C/1 Advisory reference — outside the item-of-supply concept Vickers Inc |
| 116644 | 5/9 Secondary reference Komatsu America Corporation |
| 16T209 | 5/9 Secondary reference Porta Drill Inc |
| 9045734 | 5/9 Secondary reference Euclid Inc |
| 45734 | 5/9 Secondary reference U.S. Government activity |
NSN 3040-00-359-4445 is a Shaft,shouldered, manufactured by Us Army Aviation and Missile Command, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-359-4445 has 6 manufacturer part numbers on file: 8486316 (Us Army Aviation and Missile Command), 116644 (Eaton Aerospace, Llc Dba Jackson South), 8486316 (U S Army Tank Automotive Command Amsta-Im-Mm), 116-209 (Porta Drill Inc), 7D116644 (Fwd Seagrave Holdings Lp) and 1 more.
2 possible matches (shared part number, not a government interchangeability claim): 2825-00-564-6788, 5340-01-542-6271. Verify interchangeability with system specifications before substitution.
Key specifications for 8486316: Step Quantity: 9; First End Diameter: 0.7500 INCHES NOMINAL IN; Second End Diameter: 0.6310 INCHES NOMINAL IN; Largest Step Diameter: 0.970 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.
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.