The Gear,helical, cataloged under National Stock Number 3020-00-303-5104, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Meritor Heavy Vehicle Systems, Llc. Government technical data includes 22 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 3020-00-303-5104 |
| Primary Part Number | 3892C1121 |
| Item Name | Gear,helical |
| FSC / FSG | 3020 / 30 — No Item Name Available |
| Manufacturer | Meritor Heavy Vehicle Systems, Llc |
| Status | CANCELLED |
| Body Style | PLAIN, SOLID |
| Nominal Distance Between Outer Body Face and Inner Flange Face | 0.773 INCHES IN |
| Spline Pitch Diameter | 4.2500 INCHES NOMINAL BOTH ENDS IN |
| Teeth Quantity | 25 |
| Helix Angle | 22.0000 DEGREES |
| Hub Nominal Diameter | 4.281 INCHES BETWEEN BODY AND FLANGE IN |
| Bore Style | INVOLUTE SPLINE BOTH ENDS |
| Pitch Diameter | 4.7410 INCHES NOMINAL IN |
| Spline Quantity | 34 BOTH ENDS |
| Counterbore Nominal Diameter | 3.542 INCHES BOTH ENDS IN |
| Bore Nominal Diameter | 4.155 INCHES BOTH ENDS IN |
| Teeth Type | SINGLE HELIX |
| Flange Nominal Diameter | 5.325 INCHES IN |
| Pressure Angle | 20.0000 DEGREES |
| Material | STEEL OVERALL |
| Tooth Form | STANDARD |
| Tooth Direction | LEFT |
| Nominal Outside Diameter | 5.178 INCHES IN |
| Style Designator | FLANGED END |
| Face Nominal Width | 1.539 INCHES IN |
| Flange Nominal Thickness | 0.875 INCHES IN |
| Counterbore Nominal Depth | 0.763 INCHES BOTH ENDS IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
NSN 3020-00-303-5104 is a Gear,helical, manufactured by Meritor Heavy Vehicle Systems, Llc, classified under FSC 3020 (No Item Name Available). Status: cancelled.
NSN 3020-00-303-5104 has 3 cross-referenced part numbers: DU720T5 (Dupage Gear and Machine Co), 3892C1121 (Meritor Heavy Vehicle Systems, Llc), 720T5 (Spalla Inc).
There is 1 known substitute for 3020-00-303-5104: 5930-00-644-3039. Verify interchangeability with system specifications before substitution.
Key specifications for 3892C1121: Body Style: PLAIN, SOLID; Nominal Distance Between Outer Body Face and Inner Flange Face: 0.773 INCHES IN; Spline Pitch Diameter: 4.2500 INCHES NOMINAL BOTH ENDS IN; Teeth Quantity: 25. 22 total characteristics are documented in the Federal Logistics Information System.
NSN 3020-00-303-5104 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.