The Shaft,shouldered, cataloged under National Stock Number 3040-01-138-8568, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 10 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 | 3040-01-138-8568 |
| Primary Part Number | 1870527-1 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Surface Finish | 16.0 MICROINCHES |
| Step Quantity | 2 |
| First End Diameter | 0.3720 INCHES MINIMUM AND 0.3740 INCHES MAXIMUM IN |
| Second End Diameter | 0.4970 INCHES MINIMUM AND 0.4990 INCHES MAXIMUM IN |
| Largest Step Diameter | 0.497 INCHES MINIMUM AND 0.499 INCHES MAXIMUM IN |
| First End Style | PLAIN |
| Material Document and Classification | QQ-S-763,CL 416A FED SPEC SINGLE MATERIAL RESPONSE A |
| End Similarity | NOT IDENTICAL |
| Second End Style | PLAIN |
| Material | STEEL CORROSION RESISTING |
| 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 |
|---|---|
| 1870527-1 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
NSN 3040-01-138-8568 is a Shaft,shouldered, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-138-8568 has 1 manufacturer part number on file: 1870527-1 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
Key specifications for 1870527-1: Surface Finish: 16.0 MICROINCHES; Step Quantity: 2; First End Diameter: 0.3720 INCHES MINIMUM AND 0.3740 INCHES MAXIMUM IN; Second End Diameter: 0.4970 INCHES MINIMUM AND 0.4990 INCHES MAXIMUM IN. 10 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.