The Gear,helical, cataloged under National Stock Number 3020-00-523-7173, 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 22 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 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 | 3020-00-523-7173 |
| Primary Part Number | 65252 |
| Item Name | Gear,helical |
| FSC / FSG | 3020 / 30 — No Item Name Available |
| Manufacturer | Cummins Inc. |
| Status | CANCELLED |
| Bore Nominal Diameter | 0.999 INCHES BOTH ENDS IN |
| Tooth Form | STANDARD |
| Hub Nominal Diameter | 1.625 INCHES FIRST END IN |
| Hub Style Designator | PLAIN BOTH ENDS |
| Pitch Diameter | 2.7083 INCHES NOMINAL IN |
| Teeth Quantity | 20 |
| Helix Angle | 16.4556 DEGREES |
| Nominal Distance From Bore Center to Keyway Bottom | 0.617 INCHES BOTH ENDS IN |
| Keyway Nominal Width | 0.251 INCHES BOTH ENDS IN |
| Material Document and Classification | 66 FED STD SINGLE MATERIAL RESPONSE AND AISI/SAE 4320 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Style Designator | PROTRUDING HUBS |
| Material | STEEL COMP 4320 OVERALL |
| Nominal Distance Between Body Face and Protruding Hub End | 0.281 INCHES BOTH ENDS IN |
| Face Nominal Width | 1.750 INCHES IN |
| Nominal Outside Diameter | 2.967 INCHES IN |
| Teeth Type | SINGLE HELIX |
| Tooth Direction | RIGHT |
| Nominal Overall Length | 2.313 INCHES IN |
| Pressure Angle | 19.2416 DEGREES |
| Hub Nominal Diameter | 1.500 INCHES SECOND END IN |
| Body Style | PLAIN, SOLID |
| Bore Style | W/ KEYWAY BOTH ENDS |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
NSN 3020-00-523-7173 is a Gear,helical, manufactured by Cummins Inc., classified under FSC 3020 (No Item Name Available). Status: cancelled.
NSN 3020-00-523-7173 has 4 cross-referenced part numbers: TG2489 (Trw Inc Trw Intl Trade Government Sales Dept), 65252 (La Gary Co), H65252 (Cummins Inc.), 65252 (Cummins Inc.).
There are 4 known substitutes for 3020-00-523-7173: 5975-00-256-4239, 5961-00-433-0456, 5315-00-920-6603 and 1 more. Verify interchangeability with system specifications before substitution.
Key specifications for 65252: Bore Nominal Diameter: 0.999 INCHES BOTH ENDS IN; Tooth Form: STANDARD; Hub Nominal Diameter: 1.625 INCHES FIRST END IN; Hub Style Designator: PLAIN BOTH ENDS. 22 total characteristics are documented in the Federal Logistics Information System.
NSN 3020-00-523-7173 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.