The Shaft,straight, cataloged under National Stock Number 3040-01-115-2687, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Ontic Engineering & Manufacturing, Inc Dba Ontic Us. Government technical data includes 16 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-115-2687 |
| Primary Part Number | 40495L |
| Item Name | Shaft,straight |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Ontic Engineering & Manufacturing, Inc Dba Ontic Us |
| Status | ACTIVE |
| Surface Finish | 8.0 MICROINCHES |
| First End Diameter | 0.1563 INCHES NOMINAL IN |
| Second End Diameter | 0.1563 INCHES NOMINAL IN |
| First End Distance Between First and Second Groove Centers | 0.086 INCHES NOMINAL IN |
| First End Style | TWO CIRCULAR GROOVES |
| Material Document and Classification | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE |
| Second End Groove Diameter | 0.1300 INCHES NOMINAL IN |
| End Similarity | NOT IDENTICAL |
| First End Distance From End to Groove | 0.078 INCHES NOMINAL IN |
| Second End Groove Width | 0.0250 INCHES NOMINAL IN |
| Second End Distance From End to Groove | 0.083 INCHES NOMINAL IN |
| First End Groove Diameter | 0.1300 INCHES NOMINAL IN |
| Second End Style | TWO CIRCULAR GROOVES |
| Material | STEEL COMP 440C |
| First End Groove Width | 0.0250 INCHES NOMINAL IN |
| Second End Distance Between First and Second Groove Centers | 0.086 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 |
| Part Number | Manufacturer |
|---|---|
| 40495L PRIMARY | Ontic Engineering & Manufacturing, Inc Dba Ontic Us (USA) |
| Reference | Meaning |
|---|---|
| 40495L | 5/9 Secondary reference Itt Aerospace Controls Llc Dba Itt Aerospace Controls Unit S |
| 40495L | C/1 Advisory reference — outside the item-of-supply concept Donallco Inc |
NSN 3040-01-115-2687 is a Shaft,straight, manufactured by Ontic Engineering & Manufacturing, Inc Dba Ontic Us, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-115-2687 has 1 manufacturer part number on file: 40495L (Ontic Engineering & Manufacturing, Inc Dba Ontic Us).
Key specifications for 40495L: Surface Finish: 8.0 MICROINCHES; First End Diameter: 0.1563 INCHES NOMINAL IN; Second End Diameter: 0.1563 INCHES NOMINAL IN; First End Distance Between First and Second Groove Centers: 0.086 INCHES NOMINAL IN. 16 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.