The Gearshaft,spur, cataloged under National Stock Number 3040-01-346-1918, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Fairfield Manufacturing Company, Inc. Dba Dana Fairfield. Government technical data includes 8 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 | 3040-01-346-1918 |
| Primary Part Number | 12110001 |
| Item Name | Gearshaft,spur |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Fairfield Manufacturing Company, Inc. Dba Dana Fairfield |
| Status | ACTIVE |
| Shaft Material | STEEL COMP 8620 |
| Shaft End Size | 1.250 INCHES IN |
| Teeth Quantity | 14 |
| Gear Outside Diameter | 2.000 INCHES NOMINAL IN |
| Hardness Rating | 58.0 ROCKWELL C MINIMUM AND 63.0 ROCKWELL C MAXIMUM OVERALL |
| Gear Material | STEEL COMP 8620 |
| Shaft End Type | PLAIN AND SPLINED STRAIGHT |
| Gear Location on Shaft | MIDPOINT BETWEEN ENDS OF SHAFT |
| 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 |
|---|---|
| 12110001 PRIMARY | Fairfield Manufacturing Company, Inc. Dba Dana Fairfield (USA) |
NSN 3040-01-346-1918 is a Gearshaft,spur, manufactured by Fairfield Manufacturing Company, Inc. Dba Dana Fairfield, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-346-1918 has 1 manufacturer part number on file: 12110001 (Fairfield Manufacturing Company, Inc. Dba Dana Fairfield).
Key specifications for 12110001: Shaft Material: STEEL COMP 8620; Shaft End Size: 1.250 INCHES IN; Teeth Quantity: 14; Gear Outside Diameter: 2.000 INCHES NOMINAL IN. 8 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.