The Gear,spur, cataloged under National Stock Number 3020-00-906-9143, 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 Former Guidance Systems Div. Government technical data includes 20 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 | 3020-00-906-9143 |
| Primary Part Number | 1838629-1 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Honeywell Intl Inc Defense Avionics Systems Former Guidance Systems Div |
| Status | ACTIVE |
| Bore Nominal Diameter | 2.9370 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 2.9370 INCHES FIRST END IN |
| Teeth Quantity | 240 |
| Body Style | PLAIN, SOLID |
| Bore Style | PLAIN BOTH ENDS |
| Mounting Hole Type and Quantity | 4 PLAIN AXIALLY THROUGH HUB FIRST END |
| Nominal Distance Between Body Face and Protruding Hub End | 0.0940 INCHES FIRST END IN |
| Precision Classification | QUALITY NUMBER 10 |
| Mounting Hole Nominal Diameter | 0.111 INCHES AXIALLY THROUGH HUB FIRST END IN |
| Style Designator | PROTRUDING HUB |
| Material Document and Classification | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 3.7500 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| Hub Style Designator | PLAIN FIRST END |
| Nominal Outside Diameter | 3.7794 INCHES IN |
| Pressure Angle | 20.0000 DEGREES |
| Material | STEEL COMP 303 OVERALL |
| Bolt Hole Circle Nominal Diameter | 2.606 INCHES AXIALLY THROUGH HUB FIRST END IN |
| Attachment Method | MOUNTING HOLE |
| Face Nominal Width | 0.092 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 |
|---|---|
| 1838629-1 PRIMARY | Honeywell Intl Inc Defense Avionics Systems Former Guidance Systems Div (USA) |
NSN 3020-00-906-9143 is a Gear,spur, manufactured by Honeywell Intl Inc Defense Avionics Systems Former Guidance Systems Div, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-906-9143 has 1 manufacturer part number on file: 1838629-1 (Honeywell Intl Inc Defense Avionics Systems Former Guidance Systems Div).
Key specifications for 1838629-1: Bore Nominal Diameter: 2.9370 INCHES BOTH ENDS IN; Hub Nominal Diameter: 2.9370 INCHES FIRST END IN; Teeth Quantity: 240; Body Style: PLAIN, SOLID. 20 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.