The Shaft,shouldered, cataloged under National Stock Number 3040-00-699-6284, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Renk America Llc Div Renk America. Government technical data includes 12 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-00-699-6284 |
| Primary Part Number | 550120 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Renk America Llc Div Renk America |
| Status | ACTIVE |
| First End Pitch Diameter | 1.6500 INCHES NOMINAL IN |
| Step Quantity | 2 |
| First End Diameter | 1.3800 INCHES NOMINAL IN |
| First End Spline Major Diameter | 1.6865 INCHES MINIMUM AND 1.6890 INCHES MAXIMUM IN |
| Largest Step Diameter | 1.6865 INCHES MINIMUM AND 1.6890 INCHES MAXIMUM IN |
| First End Style | SPLINED (INVOLUTE) |
| First End Pressure Angle | 30.0 DEGREES NOMINAL |
| First End Spline Length | 0.5600 INCHES NOMINAL IN |
| First End Spline Quantity | 33 |
| End Similarity | IDENTICAL |
| First End Spline Minor Diameter | 1.5600 INCHES MINIMUM AND 1.5700 INCHES MAXIMUM IN |
| Material | STEEL COMP 8640 OR STEEL COMP 8740 OR STEEL COMP 4140 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 3040-00-699-6284 is a Shaft,shouldered, manufactured by Renk America Llc Div Renk America, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-699-6284 has 2 manufacturer part numbers on file: 8691916 (U S Army Tank Automotive Command Amsta-Im-Mm), 550120 (Renk America Llc Div Renk America).
Key specifications for 550120: First End Pitch Diameter: 1.6500 INCHES NOMINAL IN; Step Quantity: 2; First End Diameter: 1.3800 INCHES NOMINAL IN; First End Spline Major Diameter: 1.6865 INCHES MINIMUM AND 1.6890 INCHES MAXIMUM IN. 12 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.