The Gear,helical, cataloged under National Stock Number 3020-00-517-1882, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Lockheed Martin Corp Lockheed Martin Mission Systems. Government technical data includes 18 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-517-1882 |
| Primary Part Number | 25029 |
| Item Name | Gear,helical |
| FSC / FSG | 3020 / 30 — No Item Name Available |
| Manufacturer | Lockheed Martin Corp Lockheed Martin Mission Systems |
| Status | ACTIVE |
| Pitch Diameter | 0.5610 INCHES MINIMUM AND 0.5620 INCHES MAXIMUM IN |
| Nominal Distance Between Body Face and Protruding Hub End | 0.375 INCHES FIRST END IN |
| Material | STEEL COMP 303 OVERALL |
| Style Designator | PROTRUDING HUB |
| Bore Nominal Diameter | 0.312 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 0.469 INCHES FIRST END IN |
| Helix Angle | 35.4336 DEGREES |
| Teeth Type | SINGLE HELIX |
| Material Document and Classification | QQ-S-764,TYPE 303,COND A FED SPEC SINGLE MATERIAL RESPONSE OR 66 FED STD SINGLE MATERIAL RESPONSE OVERALL |
| Bore Style | PLAIN BOTH ENDS |
| Face Nominal Width | 0.125 INCHES IN |
| Nominal Outside Diameter | 0.603 INCHES IN |
| Hub Style Designator | PINNED FIRST END |
| Pressure Angle | 20.0000 DEGREES |
| Tooth Form | STANDARD |
| Tooth Direction | LEFT |
| Teeth Quantity | 22 |
| Body Style | PLAIN, SOLID |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 3020-00-517-1882 is a Gear,helical, manufactured by Lockheed Martin Corp Lockheed Martin Mission Systems, classified under FSC 3020 (No Item Name Available). Status: active.
NSN 3020-00-517-1882 has 2 cross-referenced part numbers: 25029 (Lockheed Martin Corp Lockheed Martin Mission Systems), 25029 (Unisys Corp Defense Systems C S D Field Engineering).
There are 5 known substitutes for 3020-00-517-1882: 4940-00-294-6294, 4130-00-768-7222, 3530-00-780-4948 and 2 more. Verify interchangeability with system specifications before substitution.
Key specifications for 25029: Pitch Diameter: 0.5610 INCHES MINIMUM AND 0.5620 INCHES MAXIMUM IN; Nominal Distance Between Body Face and Protruding Hub End: 0.375 INCHES FIRST END IN; Material: STEEL COMP 303 OVERALL; Special Features: UNTHREADED HOLE 90 DEGS APART FROM THREADED HOLE. 19 total characteristics are documented in the Federal Logistics Information System.