The Gear,worm, cataloged under National Stock Number 3020-00-057-0804, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Eaton Aerospace, Llc Dba Jackson South. Government technical data includes 16 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-057-0804 |
| Primary Part Number | 55543 |
| Item Name | Gear,worm |
| FSC / FSG | 3020 / 30 — No Item Name Available |
| Manufacturer | Eaton Aerospace, Llc Dba Jackson South |
| Status | ACTIVE |
| Pitch Diameter | 6.3500 INCHES NOMINAL IN |
| Nominal Distance Between Body Face and Recessed Hub End | 0.062 INCHES SECOND END IN |
| Bore Style | PLAIN BOTH ENDS |
| Attachment Method | MOUNTING HOLE |
| Mounting Hole Nominal Diameter | 0.500 INCHES AXIALLY THROUGH BODY FIRST END IN |
| Hub Nominal Diameter | 4.250 INCHES BOTH ENDS IN |
| Face Type | CONCAVE |
| Hub Style Designator | PLAIN BOTH ENDS |
| Mounting Hole Type and Quantity | 2 PLAIN AXIALLY THROUGH BODY FIRST END |
| Bore Nominal Diameter | 2.625 INCHES BOTH ENDS IN |
| Face Nominal Width | 1.125 INCHES IN |
| Thread Form Direction | RIGHT-HAND |
| Material | COPPER ALLOY OVERALL |
| Style Designator | ONE PROTRUDING HUB, ONE RECESSED HUB |
| Nominal Outside Diameter | 6.875 INCHES IN |
| Nominal Distance Between Body Face and Protruding Hub End | 0.375 INCHES FIRST END IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| CR77051PC190 | Eaton Aerospace, Llc Dba Jackson South (USA) |
| 55543 PRIMARY | Eaton Aerospace, Llc Dba Jackson South (USA) |
NSN 3020-00-057-0804 is a Gear,worm, manufactured by Eaton Aerospace, Llc Dba Jackson South, classified under FSC 3020 (No Item Name Available). Status: active.
NSN 3020-00-057-0804 has 2 cross-referenced part numbers: CR77051PC190 (Eaton Aerospace, Llc Dba Jackson South), 55543 (Eaton Aerospace, Llc Dba Jackson South).
There are 5 known substitutes for 3020-00-057-0804: 3110-00-100-0311, 3110-00-198-2415, 1650-00-832-2489 and 2 more. Verify interchangeability with system specifications before substitution.
Key specifications for 55543: Pitch Diameter: 6.3500 INCHES NOMINAL IN; Nominal Distance Between Body Face and Recessed Hub End: 0.062 INCHES SECOND END IN; Bore Style: PLAIN BOTH ENDS; Attachment Method: MOUNTING HOLE. 16 total characteristics are documented in the Federal Logistics Information System.