The Gear,spur, cataloged under National Stock Number 3020-00-055-8604, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Honeywell Intl Inc Defense Avionics Systems. Government technical data includes 19 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-055-8604 |
| Primary Part Number | 1818059-1 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Honeywell Intl Inc Defense Avionics Systems |
| Status | ACTIVE |
| Bore Nominal Diameter | 0.141 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 0.202 INCHES FIRST END IN |
| Teeth Quantity | 66 |
| Clamping Surface Nominal Length | 0.104 INCHES FIRST END IN |
| Body Style | PLAIN, SOLID |
| Bore Style | PLAIN BOTH ENDS |
| Nominal Distance Between Body Face and Protruding Hub End | 0.134 INCHES FIRST END IN |
| Precision Classification | QUALITY NUMBER 10 OR QUALITY NUMBER 11 |
| Nominal Overall Length | 0.185 INCHES IN |
| Style Designator | PROTRUDING HUB |
| Material Document and Classification | QQ-B-626,ALLOY 360,1/2H FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 0.8250 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| Hub Style Designator | SPLIT FIRST END |
| Nominal Outside Diameter | 0.849 INCHES IN |
| Pressure Angle | 20.0000 DEGREES |
| Material | COPPER ALLOY 360 OVERALL |
| Attachment Method | CLAMP |
| Face Nominal Width | 0.050 INCHES IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 1818059-1 PRIMARY | Honeywell Intl Inc Defense Avionics Systems (USA) |
NSN 3020-00-055-8604 is a Gear,spur, manufactured by Honeywell Intl Inc Defense Avionics Systems, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-055-8604 has 1 manufacturer part number on file: 1818059-1 (Honeywell Intl Inc Defense Avionics Systems).
Key specifications for 1818059-1: Bore Nominal Diameter: 0.141 INCHES BOTH ENDS IN; Hub Nominal Diameter: 0.202 INCHES FIRST END IN; Teeth Quantity: 66; Clamping Surface Nominal Length: 0.104 INCHES FIRST END IN. 19 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.