The Shaft,shouldered, cataloged under National Stock Number 3040-01-298-8646, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Emerson Power Transmission Corporation Dba Emerson Div Emerson Power Transmission Division. Government technical data includes 13 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 3040-01-298-8646 |
| Primary Part Number | 1003382-1 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Emerson Power Transmission Corporation Dba Emerson Div Emerson Power Transmission Division |
| Status | ACTIVE |
| First End Pitch Diameter | 15.0000 INCHES NOMINAL IN |
| Step Quantity | 7 |
| First End Diameter | 15.2500 INCHES NOMINAL IN |
| First End Spline Major Diameter | 15.2500 INCHES NOMINAL IN |
| Largest Step Diameter | 16.0000 INCHES NOMINAL IN |
| First End Style | SPLINED (INVOLUTE) |
| Material Document and Classification | MIL-S-24093,TYPE 1,CLASS C MIL SPEC SINGLE MATERIAL RESPONSE |
| First End Pressure Angle | 30.0 DEGREES NOMINAL |
| First End Spline Length | 6.0000 INCHES NOMINAL IN |
| First End Spline Quantity | 60 |
| End Similarity | IDENTICAL |
| First End Spline Minor Diameter | 14.5500 INCHES NOMINAL IN |
| Material | STEEL COMP 4340 |
| 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 |
|---|---|
| 1003382-1 PRIMARY | Emerson Power Transmission Corporation Dba Emerson Div Emerson Power Transmission Division (USA) |
| 1004321 PIECE 2 | Emerson Power Transmission Corporation Dba Emerson Div Emerson Power Transmission Division (USA) |
| Reference | Meaning |
|---|---|
| 1003382 | 5/9 Secondary reference U.S. Government activity |
NSN 3040-01-298-8646 is a Shaft,shouldered, manufactured by Emerson Power Transmission Corporation Dba Emerson Div Emerson Power Transmission Division, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-298-8646 has 2 manufacturer part numbers on file: 1003382-1 (Emerson Power Transmission Corporation Dba Emerson Div Emerson Power Transmission Division), 1004321 PIECE 2 (Emerson Power Transmission Corporation Dba Emerson Div Emerson Power Transmission Division).
1 possible match (shared part number, not a government interchangeability claim): 4140-01-537-6961. Verify interchangeability with system specifications before substitution.
Key specifications for 1003382-1: First End Pitch Diameter: 15.0000 INCHES NOMINAL IN; Step Quantity: 7; First End Diameter: 15.2500 INCHES NOMINAL IN; First End Spline Major Diameter: 15.2500 INCHES NOMINAL IN. 13 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.