The Gear,helical, cataloged under National Stock Number 3020-00-270-3448, 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 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 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 | 3020-00-270-3448 |
| Primary Part Number | 65261 |
| Item Name | Gear,helical |
| FSC / FSG | 3020 / 30 — No Item Name Available |
| Manufacturer | Cummins Inc. |
| Status | CANCELLED |
| Teeth Quantity | 36 |
| Helix Angle | 16.4556 DEGREES |
| Keyway Nominal Width | 0.375 INCHES BOTH ENDS IN |
| Body Recess Nominal Depth | 0.500 INCHES FIRST END IN |
| Teeth Type | SINGLE HELIX |
| Body Style | WEBBED, SOLID |
| Nominal Distance From Bore Center to Keyway Bottom | 1.377 INCHES BOTH ENDS IN |
| Nominal Outside Diameter | 5.132 INCHES IN |
| Pitch Diameter | 4.8750 INCHES NOMINAL IN |
| Pressure Angle | 19.2416 DEGREES |
| Face Nominal Width | 1.750 INCHES IN |
| Material Document and Classification | 66 FED STD SINGLE MATERIAL RESPONSE AND AISI/SAE 4340H ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Tooth Direction | LEFT |
| Style Designator | HUBLESS, RECESSED BODY |
| Material | STEEL COMP 4340H OVERALL |
| Bore Nominal Diameter | 2.375 INCHES BOTH ENDS IN |
| Tooth Form | STANDARD |
| Bore Style | W/ KEYWAY BOTH ENDS |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
NSN 3020-00-270-3448 is a Gear,helical, manufactured by Cummins Inc., classified under FSC 3020 (No Item Name Available). Status: cancelled.
NSN 3020-00-270-3448 has 5 cross-referenced part numbers: TG2486 (Trw Inc Trw Intl Trade Government Sales Dept), 65261 (Cummins Inc.), H65261 (Cummins Inc.), H8656PC1 (Cummins Inc.), 65261 (La Gary Co).
There are 4 known substitutes for 3020-00-270-3448: 4730-00-193-2709, 5330-01-026-4231, 2540-01-198-8887 and 1 more. Verify interchangeability with system specifications before substitution.
Key specifications for 65261: Teeth Quantity: 36; Helix Angle: 16.4556 DEGREES; Keyway Nominal Width: 0.375 INCHES BOTH ENDS IN; Body Recess Nominal Depth: 0.500 INCHES FIRST END IN. 18 total characteristics are documented in the Federal Logistics Information System.
NSN 3020-00-270-3448 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.