The Shaft,straight, cataloged under National Stock Number 3040-00-618-0181, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Kearflex Engineering Company. Government technical data includes 10 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 | 3040-00-618-0181 |
| Primary Part Number | 3073 |
| Item Name | Shaft,straight |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Kearflex Engineering Company |
| Status | ACTIVE |
| Second End Grooved Flat Length | 0.1250 INCHES NOMINAL IN |
| First End Diameter | 0.1870 INCHES NOMINAL IN |
| Second End Distance From End to Flat | 0.140 INCHES NOMINAL IN |
| Second End Diameter | 0.1870 INCHES NOMINAL IN |
| First End Style | PLAIN |
| Material Document and Classification | ISI COMP 303 FED SPEC SINGLE MATERIAL RESPONSE |
| End Similarity | NOT IDENTICAL |
| Second End Grooved Flat Depth | 0.046 INCHES NOMINAL IN |
| Second End Style | FLAT GROOVED |
| 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 |
|---|---|
| 3073 PRIMARY | Kearflex Engineering Company (USA) |
NSN 3040-00-618-0181 is a Shaft,straight, manufactured by Kearflex Engineering Company, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-618-0181 has 1 manufacturer part number on file: 3073 (Kearflex Engineering Company).
Key specifications for 3073: Second End Grooved Flat Length: 0.1250 INCHES NOMINAL IN; First End Diameter: 0.1870 INCHES NOMINAL IN; Second End Distance From End to Flat: 0.140 INCHES NOMINAL IN; Second End Diameter: 0.1870 INCHES NOMINAL IN. 10 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.