The Gear,spur, cataloged under National Stock Number 3020-00-504-8512, 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 25 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-504-8512 |
| Primary Part Number | 2273693-0001 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Honeywell Intl Inc Defense Avionics Systems |
| Status | ACTIVE |
| Teeth Quantity | 36 |
| Second Step Nominal Diameter | 0.1870 INCHES SECOND END IN |
| Body Style | PLAIN, SOLID |
| Nominal Distance Between Body Face and Protruding Hub End | 0.6170 INCHES SECOND END IN |
| Nominal Distance Between Body Face and Protruding Hub End | 1.0660 INCHES FIRST END IN |
| First Step Nominal Length | 0.0150 INCHES SECOND END IN |
| First Step Nominal Length | 0.9960 INCHES FIRST END IN |
| Precision Classification | QUALITY NUMBER 10 |
| Second Step Nominal Length | 0.0890 INCHES SECOND END IN |
| Style Designator | PROTRUDING HUBS |
| Material Document and Classification | QQ-S-764,COND H FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 0.4500 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| First Step Nominal Diameter | 0.1250 INCHES SECOND END IN |
| First Step Nominal Diameter | 0.0930 INCHES FIRST END IN |
| Hub Style Designator | 1 STEP FIRST END |
| Hub Style Designator | 2 STEPS SECOND END |
| End Nominal Length | 0.0700 INCHES FIRST END IN |
| End Nominal Length | 0.5130 INCHES SECOND END IN |
| Nominal Outside Diameter | 0.4740 INCHES IN |
| End Nominal Diameter | 0.0463 INCHES FIRST END IN |
| End Nominal Diameter | 0.0932 INCHES SECOND END IN |
| Pressure Angle | 20.0000 DEGREES |
| Material | STEEL COMP 416 OVERALL |
| Face Nominal Width | 0.062 INCHES IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 2273693-0001 PRIMARY | Honeywell Intl Inc Defense Avionics Systems (USA) |
| Reference | Meaning |
|---|---|
| 2273693 | D/9 Drawing number reference only Honeywell Intl Inc Defense Avionics Systems |
NSN 3020-00-504-8512 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 3020-00-504-8512 has 1 manufacturer part number on file: 2273693-0001 (Honeywell Intl Inc Defense Avionics Systems).
Key specifications for 2273693-0001: Teeth Quantity: 36; Second Step Nominal Diameter: 0.1870 INCHES SECOND END IN; Body Style: PLAIN, SOLID; Nominal Distance Between Body Face and Protruding Hub End: 0.6170 INCHES SECOND END IN. 25 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.
NSN 3020-00-504-8512 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.