The Shaft,shouldered, cataloged under National Stock Number 3040-01-221-3607, is classified within Federal Supply Class 3040 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Emerson Electric Co U S Electrical Motors Div. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-221-3607 |
| Primary Part Number | 199780 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — No Item Name Available |
| Manufacturer | Emerson Electric Co U S Electrical Motors Div |
| Status | ACTIVE |
| Material | STEEL CORROSION RESISTING |
| External Keyway Length | 1.750 INCHES NOMINAL SECOND END IN |
| Material Document and Classification | AISI 1045 HR RED NATIONAL SPEC SINGLE MATERIAL RESPONSE |
| Surface Finish | 63.0 MICROINCHES |
| Largest Step Diameter | 2.056 INCHES NOMINAL IN |
| Second End Keyway Depth | 0.0937 INCHES NOMINAL IN |
| Second End Diameter | 0.8745 INCHES NOMINAL IN |
| Step Quantity | 8 |
| Second End Internal Thread Length | 0.750 INCHES NOMINAL IN |
| Second End Keyway Width | 0.1875 INCHES NOMINAL IN |
| First End Diameter | 1.1800 INCHES NOMINAL IN |
| End Similarity | NOT IDENTICAL |
| First End Style | PLAIN |
| Second End Style | FLAT KEYWAYS AND INTERNALLY THREADED |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 199780 | Emerson Electric Co U S Electrical Motors Div (USA) |
NSN 3040-01-221-3607 is a Shaft,shouldered, manufactured by Emerson Electric Co U S Electrical Motors Div, classified under FSC 3040 (No Item Name Available). Status: active.
NSN 3040-01-221-3607 has 1 cross-referenced part number: 199780 (Emerson Electric Co U S Electrical Motors Div).
There is 1 known substitute for 3040-01-221-3607: 5331-00-599-6454. Verify interchangeability with system specifications before substitution.
Key specifications for 199780: Material: STEEL CORROSION RESISTING; External Keyway Length: 1.750 INCHES NOMINAL SECOND END IN; Material Document and Classification: AISI 1045 HR RED NATIONAL SPEC SINGLE MATERIAL RESPONSE; Surface Finish: 63.0 MICROINCHES. 15 total characteristics are documented in the Federal Logistics Information System.