The Gear,helical, cataloged under National Stock Number 3020-00-391-0929, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Hatch & Kirk, Inc.. Government technical data includes 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-391-0929 |
| Primary Part Number | 3300003 |
| Item Name | Gear,helical |
| FSC / FSG | 3020 / 30 — No Item Name Available |
| Manufacturer | Hatch & Kirk, Inc. |
| Status | ACTIVE |
| Body Style | WEBBED, WITH LIGHTENING HOLES |
| Tooth Direction | LEFT |
| Material Document and Classification | MIL-S-890,CLASS B MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 10.8000 INCHES NOMINAL IN |
| Helix Angle | 27.3217 DEGREES |
| Hub Nominal Diameter | 2.997 INCHES SECOND END IN |
| Pressure Angle | 20.0000 DEGREES |
| Hardness Rating | 10.0 ROCKWELL C MINIMUM AND 20.0 ROCKWELL C MAXIMUM OVERALL |
| Teeth Quantity | 54 |
| Teeth Type | SINGLE HELIX |
| Tooth Form | STANDARD |
| Hub Nominal Diameter | 2.997 INCHES FIRST END IN |
| Face Nominal Width | 2.000 INCHES IN |
| Bore Nominal Diameter | 2.0000 INCHES BOTH ENDS IN |
| Style Designator | PROTRUDING HUBS |
| Nominal Outside Diameter | 11.084 INCHES IN |
| Material | STEEL OVERALL |
| Hub Style Designator | PLAIN BOTH ENDS |
| Bore Style | PLAIN BOTH ENDS |
| Nominal Distance Between Body Face and Protruding Hub End | 0.688 INCHES BOTH ENDS IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 3020-00-391-0929 is a Gear,helical, manufactured by Hatch & Kirk, Inc., classified under FSC 3020 (No Item Name Available). Status: active.
NSN 3020-00-391-0929 has 2 cross-referenced part numbers: 3300003 (Hatch & Kirk, Inc.), 3300003 (General Motors Corp Electro-Motive Div).
There are 2 known substitutes for 3020-00-391-0929: 5962-01-004-1272, 4130-01-650-3305. Verify interchangeability with system specifications before substitution.
Key specifications for 3300003: Body Style: WEBBED, WITH LIGHTENING HOLES; Tooth Direction: LEFT; Material Document and Classification: MIL-S-890,CLASS B MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Pitch Diameter: 10.8000 INCHES NOMINAL IN. 21 total characteristics are documented in the Federal Logistics Information System.