The Shaft,shouldered, cataloged under National Stock Number 3040-01-273-9188, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Control Flow, Inc. Dba Control Flow Inc. Government technical data includes 14 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-273-9188 |
| Primary Part Number | C314689 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Control Flow, Inc. Dba Control Flow Inc |
| Status | ACTIVE |
| Surface Finish | 250.0 MICROINCHES |
| Second End External Thread Length | 0.530 INCHES NOMINAL IN |
| Step Quantity | 9 |
| First End Diameter | 0.9834 INCHES NOMINAL IN |
| Second End Diameter | 0.8750 INCHES NOMINAL IN |
| Largest Step Diameter | 1.125 INCHES NOMINAL IN |
| First End Style | CIRCULAR GROOVED |
| Material Document and Classification | QQ-N-286 FED SPEC SINGLE MATERIAL RESPONSE |
| End Similarity | NOT IDENTICAL |
| First End Distance From End to Groove | 0.126 INCHES NOMINAL IN |
| First End Groove Diameter | 0.9270 INCHES NOMINAL IN |
| Second End Style | EXTERNAL THREADED |
| Material | STEEL |
| First End Groove Width | 0.0475 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 |
|---|---|
| C314689 PRIMARY | Control Flow, Inc. Dba Control Flow Inc (USA) |
| Reference | Meaning |
|---|---|
| C314689 | 5/9 Secondary reference Control Flow, Inc. Dba Westech Heavy Machinery Division Div Westech Heavy Machinery Division |
NSN 3040-01-273-9188 is a Shaft,shouldered, manufactured by Control Flow, Inc. Dba Control Flow Inc, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-273-9188 has 1 manufacturer part number on file: C314689 (Control Flow, Inc. Dba Control Flow Inc).
Key specifications for C314689: Surface Finish: 250.0 MICROINCHES; Second End External Thread Length: 0.530 INCHES NOMINAL IN; Step Quantity: 9; First End Diameter: 0.9834 INCHES NOMINAL IN. 14 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.