The Shaft,straight, cataloged under National Stock Number 3040-00-498-8175, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Thermo Jarrell Ash Corp Baird Div. Government technical data includes 12 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 | 3040-00-498-8175 |
| Primary Part Number | 659170 |
| Item Name | Shaft,straight |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Thermo Jarrell Ash Corp Baird Div |
| Status | ACTIVE |
| Surface Finish | 63.0 MICROINCHES |
| First End Diameter | 0.2490 INCHES NOMINAL IN |
| Second End Diameter | 0.2490 INCHES NOMINAL IN |
| First End Style | FLATTED |
| Material Document and Classification | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE |
| Second End Groove Diameter | 0.1630 INCHES MINIMUM AND 0.1670 INCHES MAXIMUM IN |
| End Similarity | NOT IDENTICAL |
| Second End Groove Width | 0.0650 INCHES NOMINAL IN |
| Second End Distance From End to Groove | 0.160 INCHES NOMINAL IN |
| Second End Style | CIRCULAR GROOVED |
| First End Flat Length | 0.530 INCHES NOMINAL IN |
| Material | STEEL |
| 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 |
|---|---|
| 659170 PRIMARY | Thermo Jarrell Ash Corp Baird Div (USA) |
NSN 3040-00-498-8175 is a Shaft,straight, manufactured by Thermo Jarrell Ash Corp Baird Div, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-498-8175 has 1 manufacturer part number on file: 659170 (Thermo Jarrell Ash Corp Baird Div).
Key specifications for 659170: Surface Finish: 63.0 MICROINCHES; First End Diameter: 0.2490 INCHES NOMINAL IN; Second End Diameter: 0.2490 INCHES NOMINAL IN; First End Style: FLATTED. 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.