The Gear,helical, cataloged under National Stock Number 3020-00-971-5022, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Gates Corporation. Government technical data includes 25 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 3020-00-971-5022 |
| Primary Part Number | 8516-4433 |
| Item Name | Gear,helical |
| FSC / FSG | 3020 / 30 — No Item Name Available |
| Manufacturer | Gates Corporation |
| Status | CANCELLED |
| Tooth Form | STANDARD |
| Face Nominal Width | 1.343 INCHES IN |
| Hardness Rating | 59.0 ROCKWELL C MINIMUM AND 62.0 ROCKWELL C MAXIMUM OVERALL |
| Nominal Outside Diameter | 7.302 INCHES IN |
| Pitch Diameter | 6.8714 INCHES NOMINAL IN |
| Pressure Angle | 17.5000 DEGREES |
| Material Document and Classification | MIL-S-46172 MIL SPEC ALL MATERIAL RESPONSES OVERALL |
| Clamping Surface Nominal Length | 0.094 INCHES SECOND END IN |
| Tooth Direction | LEFT |
| Bore Nominal Depth | 3.562 INCHES SECOND END IN |
| Nominal Distance Between Body Face and Protruding Hub End | 1.344 INCHES FIRST END IN |
| Hub Style Designator | EXTERNALLY SPLINED, INVOLUTE SPLINES FIRST END |
| Hub Style Designator | SPLIT SECOND END |
| Style Designator | ONE PROTRUDING HUB, ONE RECESSED HUB |
| Material | STEEL COMP 8620H OR STEEL COMP 8720H OVERALL |
| Bore Nominal Diameter | 2.625 INCHES BOTH ENDS IN |
| Hub Spline Quantity | 25 FIRST END |
| Surface Treatment | CARBON OVERALL |
| Teeth Type | SINGLE HELIX |
| Body Style | WEBBED, SOLID |
| Helix Angle | 26.1770 DEGREES |
| Hub Spline Pitch Diameter | 3.6960 INCHES NOMINAL FIRST END IN |
| Nominal Distance Between Body Face and Recessed Hub End | 0.156 INCHES SECOND END IN |
| Bore Style | PLAIN BOTH ENDS |
| Teeth Quantity | 37 |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 8516-4433 PRIMARY | Gates Corporation (USA) |
| 62-8-43 | United States Gear Corp (USA) |
| 73589R1 | Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/ (USA) |
| 62-8-43 | Meritor Heavy Vehicle Systems, Llc (USA) |
| T406-18A | Perfection Clutch (USA) |
| 62-8-43 PRIMARY | Dana Corp Spicer Transmission Div (USA) |
| 8712206 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| 62-8-43 | Dana Commercial Vehicle Manufacturing, Llc Dba Dana Commercial Vehicle Products (USA) |
NSN 3020-00-971-5022 is a Gear,helical, manufactured by Gates Corporation, classified under FSC 3020 (No Item Name Available). Status: cancelled.
NSN 3020-00-971-5022 has 8 cross-referenced part numbers: 8516-4433 (Gates Corporation), 62-8-43 (United States Gear Corp), 73589R1 (Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/), 62-8-43 (Meritor Heavy Vehicle Systems, Llc), T406-18A (Perfection Clutch) and 3 more.
There are 4 known substitutes for 3020-00-971-5022: 4710-01-048-4267, 6625-01-260-6195, 5330-01-298-5800 and 1 more. Verify interchangeability with system specifications before substitution.
Key specifications for 8516-4433: Tooth Form: STANDARD; Face Nominal Width: 1.343 INCHES IN; Hardness Rating: 59.0 ROCKWELL C MINIMUM AND 62.0 ROCKWELL C MAXIMUM OVERALL; Nominal Outside Diameter: 7.302 INCHES IN. 25 total characteristics are documented in the Federal Logistics Information System.
NSN 3020-00-971-5022 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.