The Gear,helical, cataloged under National Stock Number 3020-00-541-4825, 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 23 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-541-4825 |
| Primary Part Number | 20836 |
| Item Name | Gear,helical |
| FSC / FSG | 3020 / 30 — No Item Name Available |
| Manufacturer | Cummins Inc. |
| Status | ACTIVE |
| Hub Nominal Diameter | 2.4950 INCHES SECOND END IN |
| Body Style | WEBBED, OFFSET, WITH LIGHTENING HOLES |
| Tooth Form | STANDARD |
| Nominal Outside Diameter | 8.4190 INCHES IN |
| Pressure Angle | 20.0000 DEGREES |
| Nominal Distance Between Body Face and Protruding Hub End | 0.3750 INCHES FIRST END IN |
| Nominal Distance Between Body Face and Recessed Hub End | 0.0600 INCHES SECOND END IN |
| Bore Style | W/ KEYWAY BOTH ENDS |
| Hub Nominal Diameter | 2.2550 INCHES FIRST END IN |
| Keyway Nominal Width | 0.252 INCHES BOTH ENDS IN |
| Material Document and Classification | 66,COMP 1018-1030 AND 1035-1039 FED STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Distance From Bore Center to Keyway Bottom | 0.8721 INCHES BOTH ENDS IN |
| Teeth Quantity | 74 |
| Teeth Type | SINGLE HELIX |
| Style Designator | ONE PROTRUDING HUB, ONE RECESSED HUB |
| Bore Nominal Diameter | 1.5007 INCHES BOTH ENDS IN |
| Tooth Direction | RIGHT |
| Hardness Rating | 89.0 ROCKWELL B NOMINAL OVERALL |
| Material | STEEL OVERALL |
| Face Nominal Width | 1.1250 INCHES IN |
| Pitch Diameter | 8.2220 INCHES NOMINAL IN |
| Helix Angle | 25.8487 DEGREES |
| Hub Style Designator | PLAIN BOTH ENDS |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 3020-00-541-4825 is a Gear,helical, manufactured by Cummins Inc., classified under FSC 3020 (No Item Name Available). Status: active.
NSN 3020-00-541-4825 has 2 cross-referenced part numbers: 20836 (Cummins Inc.), TG2491 (Trw Inc Trw Intl Trade Government Sales Dept).
There are 6 known substitutes for 3020-00-541-4825: 3820-00-104-8788, 3120-00-139-7303, 6240-00-145-1148 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for 20836: Hub Nominal Diameter: 2.4950 INCHES SECOND END IN; Body Style: WEBBED, OFFSET, WITH LIGHTENING HOLES; Tooth Form: STANDARD; Nominal Outside Diameter: 8.4190 INCHES IN. 23 total characteristics are documented in the Federal Logistics Information System.