The Gear,helical, cataloged under National Stock Number 3020-00-692-7046, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Wisconsin Motors, Llc. Government technical data includes 29 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-692-7046 |
| Primary Part Number | GG149A |
| Item Name | Gear,helical |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Wisconsin Motors, Llc |
| Status | ACTIVE |
| Bore Nominal Diameter | 0.879 INCHES BOTH ENDS IN |
| Helix Angle | 15.0000 DEGREES |
| Teeth Quantity | 25 |
| Body Style | PLAIN, SOLID |
| Counterbore Nominal Diameter | 1.0000 INCHES SECOND END IN |
| Tooth Direction | RIGHT |
| Bore Style | INVOLUTE SPLINE BOTH ENDS |
| Nominal Distance Between Body Face and Protruding Hub End | 0.938 INCHES SECOND END IN |
| First Step Nominal Length | 0.438 INCHES SECOND END IN |
| First Step Nominal Length | 0.500 INCHES FIRST END IN |
| Teeth Type | SINGLE HELIX |
| Hardness Rating | 50.0 ROCKWELL C MINIMUM AND 55.0 ROCKWELL C MAXIMUM OVERALL |
| Nominal Overall Length | 2.685 INCHES IN |
| Style Designator | PROTRUDING HUBS |
| Material Document and Classification | 66 FED STD SINGLE MATERIAL RESPONSE AND AISI/SAE 1045 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 2.5880 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| First Step Nominal Diameter | 1.181 INCHES FIRST END IN |
| Hub Style Designator | 1 STEP BOTH ENDS |
| Spline Quantity | 16 BOTH ENDS |
| End Nominal Length | 0.500 INCHES SECOND END IN |
| End Nominal Length | 0.500 INCHES FIRST END IN |
| Nominal Outside Diameter | 2.785 INCHES IN |
| End Nominal Diameter | 1.125 INCHES FIRST END IN |
| End Nominal Diameter | 1.181 INCHES SECOND END IN |
| Pressure Angle | 14.5000 DEGREES |
| Material | STEEL COMP 1045 OVERALL |
| Counterbore Nominal Depth | 0.125 INCHES SECOND END IN |
| Spline Pitch Diameter | 0.8000 INCHES NOMINAL BOTH ENDS IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 3020-00-692-7046 is a Gear,helical, manufactured by Wisconsin Motors, Llc, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-692-7046 has 3 manufacturer part numbers on file: GG149A (Renk America Llc Div Renk America), 8380669 (U S Army Tank Automotive Command Amsta-Im-Mm), GG149A (Wisconsin Motors, Llc).
Key specifications for GG149A: Bore Nominal Diameter: 0.879 INCHES BOTH ENDS IN; Helix Angle: 15.0000 DEGREES; Teeth Quantity: 25; Body Style: PLAIN, SOLID. 29 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.