The Gear,worm, cataloged under National Stock Number 3020-01-181-8574, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is The Dewey Electronics Corporation Div Pitometer Log Division. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-181-8574 |
| Primary Part Number | 31098-1 |
| Item Name | Gear,worm |
| FSC / FSG | 3020 / 30 — No Item Name Available |
| Manufacturer | The Dewey Electronics Corporation Div Pitometer Log Division |
| Status | ACTIVE |
| Nominal Distance Between Body Face and Protruding Hub End | 0.110 INCHES FIRST END IN |
| Helix Angle | 7.1833 DEGREES |
| Surface Treatment Document and Classification | MIL-F-14072,E300 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Surface Treatment | PASSIVATE OVERALL |
| Precision Classification | QUALITY NUMBER 10 OR QUALITY NUMBER 11 |
| Pressure Angle | 14.5000 DEGREES |
| Pitch Diameter | 0.5000 INCHES NOMINAL IN |
| Bore Style | PLAIN BOTH ENDS |
| Thread Form Quantity | 4 |
| Nominal Outside Diameter | 0.531 INCHES IN |
| Hub Nominal Diameter | 0.437 INCHES FIRST END IN |
| Material Document and Classification | MIL-S-7720 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Hub Style Designator | PINNED FIRST END |
| Face Nominal Width | 0.750 INCHES IN |
| Material | STEEL COMP 303S OVERALL |
| Bore Nominal Diameter | 0.249 INCHES BOTH ENDS IN |
| Style Designator | PROTRUDING HUB |
| Face Type | STRAIGHT |
| Thread Form Direction | RIGHT-HAND |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 3020-01-181-8574 is a Gear,worm, manufactured by The Dewey Electronics Corporation Div Pitometer Log Division, classified under FSC 3020 (No Item Name Available). Status: active.
NSN 3020-01-181-8574 has 2 cross-referenced part numbers: 31098-1 (The Dewey Electronics Corporation Div Pitometer Log Division), 31098 (The Dewey Electronics Corporation Div Pitometer Log Division).
There are 7 known substitutes for 3020-01-181-8574: 5120-00-224-9728, 3020-00-364-5358, 2925-00-390-7546 and 4 more. Verify interchangeability with system specifications before substitution.
Key specifications for 31098-1: Nominal Distance Between Body Face and Protruding Hub End: 0.110 INCHES FIRST END IN; Helix Angle: 7.1833 DEGREES; Surface Treatment Document and Classification: MIL-F-14072,E300 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Surface Treatment: PASSIVATE OVERALL. 19 total characteristics are documented in the Federal Logistics Information System.