The Shaft,shouldered, cataloged under National Stock Number 3040-00-443-9920, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Army, United States Department of the Dba Watervliet Arsenal Div Business Development. Government technical data includes 12 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 | 3040-00-443-9920 |
| Primary Part Number | 7986983 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Army, United States Department of the Dba Watervliet Arsenal Div Business Development |
| Status | ACTIVE |
| Surface Finish | 125.0 MICROINCHES |
| Step Quantity | 3 |
| Largest Step Diameter | 0.996 INCHES NOMINAL IN |
| First End Slot Width | 0.190 INCHES NOMINAL IN |
| First End Style | SLOTTED |
| Second End Spline Major Diameter | 0.7100 INCHES NOMINAL IN |
| Material Document and Classification | QQ-A-225/4 MIL SPEC SINGLE MATERIAL RESPONSE |
| End Similarity | NOT IDENTICAL |
| First End Slot Depth | 0.205 INCHES NOMINAL IN |
| Second End Spline Quantity | 6 |
| Second End Style | SPLINED (INVOLUTE) |
| Material | ALUMINUM ALLOY |
| 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 |
|---|---|
| 7986983 PRIMARY | Army, United States Department of the Dba Watervliet Arsenal Div Business Development (USA) |
NSN 3040-00-443-9920 is a Shaft,shouldered, manufactured by Army, United States Department of the Dba Watervliet Arsenal Div Business Development, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-443-9920 has 1 manufacturer part number on file: 7986983 (Army, United States Department of the Dba Watervliet Arsenal Div Business Development).
Key specifications for 7986983: Surface Finish: 125.0 MICROINCHES; Step Quantity: 3; Largest Step Diameter: 0.996 INCHES NOMINAL IN; First End Slot Width: 0.190 INCHES NOMINAL 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.