The Gear,helical, cataloged under National Stock Number 3020-00-971-5020, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Dana Corp Spicer Transmission Div. Government technical data includes 24 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 3020-00-971-5020 |
| Primary Part Number | 62-8-44 |
| Item Name | Gear,helical |
| FSC / FSG | 3020 / 30 — No Item Name Available |
| Manufacturer | Dana Corp Spicer Transmission Div |
| Status | CANCELLED |
| Face Nominal Width | 1.281 INCHES IN |
| Nominal Outside Diameter | 4.728 INCHES IN |
| Spline Pitch Diameter | 3.1429 INCHES NOMINAL BOTH ENDS IN |
| Hub Style Designator | PLAIN FIRST END |
| Teeth Quantity | 23 |
| Tooth Form | STANDARD |
| Spline Quantity | 22 BOTH ENDS |
| Nominal Distance Between Body Face and Protruding Hub End | 0.890 INCHES FIRST END IN |
| Hub Nominal Diameter | 3.938 INCHES FIRST END IN |
| Body Style | PLAIN, SOLID |
| Hardness Rating | 59.0 ROCKWELL C MINIMUM AND 62.0 ROCKWELL C MAXIMUM OVERALL |
| Style Designator | PROTRUDING HUB |
| Helix Angle | 26.1666 DEGREES |
| Tooth Direction | LEFT |
| Mounting Hole Type and Quantity | 3 PLAIN TRANSVERSELY THROUGH FACE |
| Bore Nominal Diameter | 3.303 INCHES BOTH ENDS IN |
| Mounting Hole Nominal Diameter | 0.156 INCHES TRANSVERSELY THROUGH FACE IN |
| Pressure Angle | 17.5000 DEGREES |
| Pitch Diameter | 4.2714 INCHES NOMINAL IN |
| Bore Style | INVOLUTE SPLINE BOTH ENDS |
| Material | STEEL COMP 8620H OR STEEL COMP 8720H OVERALL |
| Attachment Method | MOUNTING HOLE |
| Material Document and Classification | 66 FED STD ALL MATERIAL RESPONSES OVERALL |
| Teeth Type | SINGLE HELIX |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 62-8-44 PRIMARY | Dana Corp Spicer Transmission Div (USA) |
| 973596R1 | Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/ (USA) |
| 8712210 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| 62-8-44 | Dana Commercial Vehicle Manufacturing, Llc Dba Dana Commercial Vehicle Products (USA) |
| T406-11A | Perfection Clutch (USA) |
| 62-8-44 | Spalla Inc (USA) |
NSN 3020-00-971-5020 is a Gear,helical, manufactured by Dana Corp Spicer Transmission Div, classified under FSC 3020 (No Item Name Available). Status: cancelled.
NSN 3020-00-971-5020 has 6 cross-referenced part numbers: 62-8-44 (Dana Corp Spicer Transmission Div), 973596R1 (Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/), 8712210 (U S Army Tank Automotive Command Amsta-Im-Mm), 62-8-44 (Dana Commercial Vehicle Manufacturing, Llc Dba Dana Commercial Vehicle Products), T406-11A (Perfection Clutch) and 1 more.
There are 3 known substitutes for 3020-00-971-5020: 2540-00-358-4078, 5950-00-572-8056, 6625-01-260-6196. Verify interchangeability with system specifications before substitution.
Key specifications for 62-8-44: Face Nominal Width: 1.281 INCHES IN; Nominal Outside Diameter: 4.728 INCHES IN; Spline Pitch Diameter: 3.1429 INCHES NOMINAL BOTH ENDS IN; Hub Style Designator: PLAIN FIRST END. 25 total characteristics are documented in the Federal Logistics Information System.
NSN 3020-00-971-5020 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.