The Shaft,straight, cataloged under National Stock Number 3040-00-496-1593, is classified within Federal Supply Class 3040 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Eaton Corp Transmission Div. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-00-496-1593 |
| Primary Part Number | 1988 |
| Item Name | Shaft,straight |
| FSC / FSG | 3040 / 30 — No Item Name Available |
| Manufacturer | Eaton Corp Transmission Div |
| Status | ACTIVE |
| Second End Distance From Keyway Center to End | 0.500 INCHES NOMINAL IN |
| Second End Keyway Width | 0.1875 INCHES NOMINAL IN |
| Second End Spline Quantity | 20 |
| First End Spline Quantity | 20 |
| Material | STEEL |
| External Keyway Length | 0.875 INCHES NOMINAL SECOND END IN |
| Second End Diameter | 1.0000 INCHES NOMINAL IN |
| First End Diameter | 1.0000 INCHES NOMINAL IN |
| Second End Spline Major Diameter | 1.0000 INCHES NOMINAL IN |
| First End Spline Length | 1.500 INCHES NOMINAL IN |
| First End Spline Major Diameter | 1.0000 INCHES NOMINAL IN |
| First End Spline Minor Diameter | 0.9230 INCHES NOMINAL IN |
| First End Style | SPLINED (STRAIGHT) |
| End Similarity | NOT IDENTICAL |
| Second End Style | STRAIGHT SPLINED AND WOODRUFF KEYWAY |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 3040-00-496-1593 is a Shaft,straight, manufactured by Eaton Corp Transmission Div, classified under FSC 3040 (No Item Name Available). Status: active.
NSN 3040-00-496-1593 has 2 cross-referenced part numbers: 1988 (Eaton Corp Transmission Div), F1988 (Eaton Corp Transmission Div).
There are 12 known substitutes for 3040-00-496-1593: 6250-00-151-4213, 3110-00-158-6192, 6810-00-275-8125 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 1988: Second End Distance From Keyway Center to End: 0.500 INCHES NOMINAL IN; Second End Keyway Width: 0.1875 INCHES NOMINAL IN; Second End Spline Quantity: 20; First End Spline Quantity: 20. 16 total characteristics are documented in the Federal Logistics Information System.