The Shaft,shouldered, cataloged under National Stock Number 3040-01-186-1372, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Lockheed Martin Corp Electronics and Missiles Div. 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 | 3040-01-186-1372 |
| Primary Part Number | 245413 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Lockheed Martin Corp Electronics and Missiles Div |
| Status | ACTIVE |
| FSC Application Data | DETECTING-RANGING SET AN/AAS-38 |
| Step Quantity | 10 |
| First End Diameter | 0.3738 INCHES MINIMUM AND 0.3743 INCHES MAXIMUM IN |
| Second End Diameter | 0.3120 INCHES NOMINAL IN |
| Second End Step Length | 0.500 INCHES NOMINAL IN |
| Largest Step Diameter | 0.950 INCHES NOMINAL IN |
| First End Style | PLAIN |
| Material Document and Classification | AMS 5643,TYPE 17-4 PH ASSN STD SINGLE MATERIAL RESPONSE |
| End Similarity | NOT IDENTICAL |
| Second End Style | HEXAGONAL |
| Material | STEEL CORROSION RESISTING |
| Second End Width Across Flats | 0.250 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 |
NSN 3040-01-186-1372 is a Shaft,shouldered, manufactured by Lockheed Martin Corp Electronics and Missiles Div, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-186-1372 has 2 manufacturer part numbers on file: 245413 (Lockheed Martin Corp Electronics and Missiles Div), 245413 (Bell Precision Inc).
Key specifications for 245413: FSC Application Data: DETECTING-RANGING SET AN/AAS-38; Step Quantity: 10; First End Diameter: 0.3738 INCHES MINIMUM AND 0.3743 INCHES MAXIMUM IN; Second End Diameter: 0.3120 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.