The Gearshaft,spur, cataloged under National Stock Number 3040-01-338-2459, 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 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-338-2459 |
| Primary Part Number | D319635 |
| Item Name | Gearshaft,spur |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Control Flow, Inc. Dba Control Flow Inc |
| Status | ACTIVE |
| Shaft Type | SHOULDERED |
| Shaft Material | NICKEL ALLOY K-500 |
| Shaft Largest Diameter | 1.375 INCHES NOMINAL IN |
| Shaft End Size | 1.375 INCHES IN |
| Teeth Quantity | 20 |
| Diametral Pitch | 16 |
| Gear Outside Diameter | 1.372 INCHES NOMINAL IN |
| Gear Material | NICKEL ALLOY K-500 |
| Shaft End Type | CIRCULAR GROOVED AND PLAIN |
| Gear Location on Shaft | ON END OF SHAFT |
| Pressure Angle | 20.0000 DEGREES |
| Face Width | 1.188 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 |
|---|---|
| D319635 PRIMARY | Control Flow, Inc. Dba Control Flow Inc (USA) |
| Reference | Meaning |
|---|---|
| D319635 | 5/9 Secondary reference Control Flow, Inc. Dba Westech Heavy Machinery Division Div Westech Heavy Machinery Division |
NSN 3040-01-338-2459 is a Gearshaft,spur, manufactured by Control Flow, Inc. Dba Control Flow Inc, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-338-2459 has 1 manufacturer part number on file: D319635 (Control Flow, Inc. Dba Control Flow Inc).
Key specifications for D319635: Shaft Type: SHOULDERED; Shaft Material: NICKEL ALLOY K-500; Shaft Largest Diameter: 1.375 INCHES NOMINAL IN; Shaft End Size: 1.375 INCHES IN. 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.