The Gear,spur, cataloged under National Stock Number 3020-00-689-3262, 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 18 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3020-00-689-3262 |
| Primary Part Number | 1936840-1 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Honeywell Intl Inc Defense Avionics Systems |
| Status | ACTIVE |
| Hub Nominal Diameter | 0.250 INCHES FIRST END IN |
| Teeth Quantity | 75 |
| Body Style | PLAIN, WITH LIGHTENING HOLES |
| Bore Style | FLATTED SIDES BOTH ENDS |
| Nominal Distance Between Body Face and Protruding Hub End | 0.156 INCHES FIRST END IN |
| Precision Classification | QUALITY NUMBER 12 |
| Hardness Rating | 32.0 ROCKWELL C MINIMUM AND 36.0 ROCKWELL C MAXIMUM OVERALL |
| Style Designator | PROTRUDING HUB |
| Material Document and Classification | QQ-S-763,CLASS 416,COND A FED SPEC 1ST MATERIAL RESPONSE OR QQ-S-763,CLASS 416SE,COND A FED SPEC 2ND MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 1.1719 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| Hub Style Designator | PLAIN FIRST END |
| Nominal Outside Diameter | 1.202 INCHES IN |
| Nominal Radius | 0.078 INCHES BOTH ENDS IN |
| Surface Treatment | PASSIVATE OVERALL |
| Pressure Angle | 20.0000 DEGREES |
| Material | STEEL COMP 416 OR STEEL COMP 416SE OVERALL |
| Face Nominal Width | 0.094 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 |
|---|---|
| 1936840-1 PRIMARY | Honeywell Intl Inc Defense Avionics Systems (USA) |
| Reference | Meaning |
|---|---|
| 1936840-1 | 5/9 Secondary reference Honeywell Intl Inc Defense Avionics Systems Former Bendix Navigation and Control Systems |
NSN 3020-00-689-3262 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 3020-00-689-3262 has 1 manufacturer part number on file: 1936840-1 (Honeywell Intl Inc Defense Avionics Systems).
Key specifications for 1936840-1: Hub Nominal Diameter: 0.250 INCHES FIRST END IN; Teeth Quantity: 75; Body Style: PLAIN, WITH LIGHTENING HOLES; Bore Style: FLATTED SIDES BOTH ENDS. 18 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.