The Gear,helical, cataloged under National Stock Number 3020-00-776-7388, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Renk America Llc Div Renk America. Government technical data includes 25 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-776-7388 |
| Primary Part Number | 515508 |
| Item Name | Gear,helical |
| FSC / FSG | 3020 / 30 — No Item Name Available |
| Manufacturer | Renk America Llc Div Renk America |
| Status | ACTIVE |
| Body Style | PLAIN, SOLID |
| End Nominal Diameter | 0.371 INCHES FIRST END IN |
| Second Step Nominal Diameter | 0.813 INCHES FIRST END IN |
| Nominal Distance Between Body Face and Protruding Hub End | 2.721 INCHES FIRST END IN |
| Teeth Quantity | 10 |
| Nominal Outside Diameter | 1.185 INCHES IN |
| Style Designator | PROTRUDING HUB |
| Bore Style | PLAIN BOTH ENDS |
| Tooth Form | STANDARD |
| First Step Nominal Length | 1.400 INCHES FIRST END IN |
| Nominal Overall Length | 3.670 INCHES IN |
| Face Nominal Width | 0.949 INCHES IN |
| Hub Style Designator | 2 STEPS FIRST END |
| Pitch Diameter | 1.0633 INCHES NOMINAL IN |
| Teeth Type | SINGLE HELIX |
| End Nominal Length | 0.470 INCHES FIRST END IN |
| Tooth Direction | RIGHT |
| Material | STEEL COMP 8620 AND STEEL COMP 8720 OVERALL |
| Bore Nominal Diameter | 0.315 INCHES BOTH ENDS IN |
| Helix Angle | 54.0000 DEGREES |
| First Step Nominal Diameter | 0.470 INCHES FIRST END IN |
| Material Document and Classification | 66,AISI/SAE 8620 FED STD 1ST MATERIAL RESPONSE AND 66,AISI/SAE 8720 FED STD 2ND MATERIAL RESPONSE OVERALL |
| Hardness Rating | 58.0 ROCKWELL C MINIMUM AND 62.0 ROCKWELL C MAXIMUM OVERALL |
| Second Step Nominal Length | 0.851 INCHES FIRST END IN |
| Pressure Angle | 20.0000 DEGREES |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 3020-00-776-7388 is a Gear,helical, manufactured by Renk America Llc Div Renk America, classified under FSC 3020 (No Item Name Available). Status: active.
NSN 3020-00-776-7388 has 2 cross-referenced part numbers: 7767388 (U S Army Tank Automotive Command Amsta-Im-Mm), 515508 (Renk America Llc Div Renk America).
There are 2 known substitutes for 3020-00-776-7388: 5930-00-331-1789, 1680-00-981-8354. Verify interchangeability with system specifications before substitution.
Key specifications for 515508: Body Style: PLAIN, SOLID; End Nominal Diameter: 0.371 INCHES FIRST END IN; Second Step Nominal Diameter: 0.813 INCHES FIRST END IN; Nominal Distance Between Body Face and Protruding Hub End: 2.721 INCHES FIRST END IN. 26 total characteristics are documented in the Federal Logistics Information System.