The Gear,spur, cataloged under National Stock Number 3020-00-023-4185, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Honeywell International, Inc Div Aerospace-Tucson. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 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: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-023-4185 |
| Primary Part Number | 503771 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — No Item Name Available |
| Manufacturer | Honeywell International, Inc Div Aerospace-Tucson |
| Status | ACTIVE |
| Pitch Diameter | 0.5625 INCHES NOMINAL IN |
| Hardness Rating | 25.0 ROCKWELL C MINIMUM AND 31.0 ROCKWELL C MAXIMUM OVERALL |
| Hub Nominal Diameter | 0.249 INCHES FIRST END IN |
| Material Document and Classification | QQ-S-763,CLASS416 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Distance Between Body Face and Protruding Hub End | 0.030 INCHES FIRST END IN |
| Nominal Outside Diameter | 0.587 INCHES IN |
| Bore Style | PLAIN BOTH ENDS |
| Bore Nominal Diameter | 0.219 INCHES BOTH ENDS IN |
| Pressure Angle | 20.0000 DEGREES |
| Face Nominal Width | 0.117 INCHES IN |
| Style Designator | PROTRUDING HUB |
| Nominal Overall Length | 0.147 INCHES IN |
| Material | STEEL COMP 416 OVERALL |
| Tooth Form | STANDARD |
| Hub Style Designator | PLAIN FIRST END |
| Teeth Quantity | 36 |
| Body Style | PLAIN, WITH LIGHTENING HOLES |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 3020-00-023-4185 is a Gear,spur, manufactured by Honeywell International, Inc Div Aerospace-Tucson, classified under FSC 3020 (No Item Name Available). Status: active.
NSN 3020-00-023-4185 has 3 cross-referenced part numbers: 503771 (Honeywell International, Inc Div Aerospace-Tucson), 535771 (Alliedsignal Inc Dba Allied-Signal Aerospace Co), 535771 (Honeywell International Inc. Div Aerospace - Torrance).
There are 4 known substitutes for 3020-00-023-4185: 5950-00-926-3116, 5840-01-013-7502, 6680-01-027-6996 and 1 more. Verify interchangeability with system specifications before substitution.
Key specifications for 503771: Pitch Diameter: 0.5625 INCHES NOMINAL IN; Hardness Rating: 25.0 ROCKWELL C MINIMUM AND 31.0 ROCKWELL C MAXIMUM OVERALL; Hub Nominal Diameter: 0.249 INCHES FIRST END IN; Material Document and Classification: QQ-S-763,CLASS416 FED SPEC SINGLE MATERIAL RESPONSE OVERALL. 17 total characteristics are documented in the Federal Logistics Information System.