The Gear,helical, cataloged under National Stock Number 3020-00-451-2732, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Cummins Inc.. Government technical data includes 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-451-2732 |
| Primary Part Number | 123128 |
| Item Name | Gear,helical |
| FSC / FSG | 3020 / 30 — No Item Name Available |
| Manufacturer | Cummins Inc. |
| Status | ACTIVE |
| Nominal Distance From Bore Center to Keyway Bottom | 0.922 INCHES BOTH ENDS IN |
| Tooth Direction | LEFT |
| Helix Angle | 15.0000 DEGREES |
| Body Style | WEBBED, OFFSET, SOLID |
| Teeth Quantity | 39 |
| Teeth Type | SINGLE HELIX |
| Material | STEEL OVERALL |
| Bore Nominal Diameter | 1.531 INCHES BOTH ENDS IN |
| Bore Style | W/ KEYWAY BOTH ENDS |
| Nominal Distance Between Body Face and Recessed Hub End | 0.840 INCHES FIRST END IN |
| Pressure Angle | 20.0000 DEGREES |
| Nominal Overall Length | 2.125 INCHES IN |
| Hub Nominal Diameter | 2.531 INCHES FIRST END IN |
| Keyway Nominal Width | 0.313 INCHES BOTH ENDS IN |
| Hub Style Designator | PLAIN FIRST END |
| Face Nominal Width | 1.500 INCHES IN |
| Nominal Distance Between Body Face and Protruding Hub End | 0.563 INCHES FIRST END IN |
| Pitch Diameter | 4.9375 INCHES NOMINAL IN |
| Nominal Outside Diameter | 5.2500 INCHES IN |
| Style Designator | ONE PROTRUDING HUB, ONE RECESSED HUB |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 123128 PRIMARY | Cummins Inc. (USA) |
NSN 3020-00-451-2732 is a Gear,helical, manufactured by Cummins Inc., classified under FSC 3020 (No Item Name Available). Status: active.
NSN 3020-00-451-2732 has 1 cross-referenced part number: 123128 (Cummins Inc.).
There are 3 known substitutes for 3020-00-451-2732: 4130-00-923-4273, 6605-01-125-8740, 6515-01-560-6983. Verify interchangeability with system specifications before substitution.
Key specifications for 123128: Nominal Distance From Bore Center to Keyway Bottom: 0.922 INCHES BOTH ENDS IN; Tooth Direction: LEFT; Helix Angle: 15.0000 DEGREES; Body Style: WEBBED, OFFSET, SOLID. 20 total characteristics are documented in the Federal Logistics Information System.