The Shaft,shouldered, cataloged under National Stock Number 3040-00-070-1927, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier. Government technical data includes 17 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 | 3040-00-070-1927 |
| Primary Part Number | 502AS2159 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| Status | ACTIVE |
| Step Quantity | 5 |
| First End Diameter | 1.1230 INCHES NOMINAL IN |
| First End Spline Major Diameter | 1.1230 INCHES NOMINAL IN |
| Second End Diameter | 0.7780 INCHES NOMINAL IN |
| Largest Step Diameter | 1.123 INCHES NOMINAL IN |
| Second End Spline Minor Diameter | 0.6700 INCHES NOMINAL IN |
| First End Style | SPLINED (STRAIGHT) |
| Second End Spline Major Diameter | 0.7780 INCHES NOMINAL IN |
| Material Document and Classification | AMS 6370 ASSN STD 1ST MATERIAL RESPONSE OR AMS 6371 ASSN STD 2ND MATERIAL RESPONSE |
| First End Spline Length | 0.4000 INCHES NOMINAL IN |
| First End Spline Quantity | 35 |
| End Similarity | NOT IDENTICAL |
| Second End Spline Quantity | 24 |
| Second End Style | SPLINED (STRAIGHT) |
| First End Spline Minor Diameter | 1.0130 INCHES NOMINAL IN |
| Material | STEEL |
| Second End Spline Length | 0.7600 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 |
|---|---|
| 502AS2159 PRIMARY | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
NSN 3040-00-070-1927 is a Shaft,shouldered, manufactured by Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-070-1927 has 1 manufacturer part number on file: 502AS2159 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).
Key specifications for 502AS2159: Step Quantity: 5; First End Diameter: 1.1230 INCHES NOMINAL IN; First End Spline Major Diameter: 1.1230 INCHES NOMINAL IN; Second End Diameter: 0.7780 INCHES NOMINAL IN. 17 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.