The Gear,spur, cataloged under National Stock Number 3020-01-020-2670, 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 Curtiss-Wright Controls, Inc. Dba Curtiss Wright Div Actuation Division. Government technical data includes 28 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 | 3020-01-020-2670 |
| Primary Part Number | 181024-1 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Curtiss-Wright Controls, Inc. Dba Curtiss Wright Div Actuation Division |
| Status | ACTIVE |
| Bore Nominal Diameter | 0.5004 INCHES COUNTER BORE SECOND END IN |
| Hub Nominal Diameter | 1.060 INCHES SECOND END IN |
| Teeth Quantity | 56 |
| Clamping Surface Nominal Length | 0.1505 INCHES SECOND END IN |
| Body Style | WEBBED, OFFSET, SOLID |
| Counterbore Nominal Diameter | 0.860 INCHES COUNTER BORE SECOND END IN |
| Bore Style | W/COUNTERBORE COUNTER BORE SECOND END |
| Mounting Hole Type and Quantity | 2 PLAIN TRANSVERSELY THROUGH HUB FIRST END |
| Nominal Distance Between Body Face and Protruding Hub End | 0.172 INCHES FIRST END IN |
| Nominal Distance Between Body Face and Protruding Hub End | 0.102 INCHES SECOND END IN |
| First Step Nominal Length | 0.030 INCHES FIRST END IN |
| Mounting Hole Nominal Diameter | 0.079 INCHES TRANSVERSELY THROUGH HUB FIRST END IN |
| Hardness Rating | 54.0 ROCKWELL C MINIMUM AND 56.0 ROCKWELL C MAXIMUM OVERALL |
| Style Designator | PROTRUDING HUBS |
| Material Document and Classification | CPS4907,FSCM 71791 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 2.3333 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| First Step Nominal Diameter | 0.980 INCHES FIRST END IN |
| Hub Style Designator | SPLIT SECOND END |
| Hub Style Designator | 1 STEP FIRST END |
| End Nominal Length | 0.172 INCHES FIRST END IN |
| Nominal Outside Diameter | 2.374 INCHES IN |
| End Nominal Diameter | 0.7575 INCHES FIRST END IN |
| Pressure Angle | 25.0000 DEGREES |
| Material | STEEL OVERALL |
| Counterbore Nominal Depth | 0.1505 INCHES COUNTER BORE SECOND END IN |
| Attachment Method | MOUNTING HOLE |
| Face Nominal Width | 0.115 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 |
|---|---|
| 181024-1 PRIMARY | Curtiss-Wright Controls, Inc. Dba Curtiss Wright Div Actuation Division (USA) |
NSN 3020-01-020-2670 is a Gear,spur, manufactured by Curtiss-Wright Controls, Inc. Dba Curtiss Wright Div Actuation Division, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-020-2670 has 1 manufacturer part number on file: 181024-1 (Curtiss-Wright Controls, Inc. Dba Curtiss Wright Div Actuation Division).
Key specifications for 181024-1: Bore Nominal Diameter: 0.5004 INCHES COUNTER BORE SECOND END IN; Hub Nominal Diameter: 1.060 INCHES SECOND END IN; Teeth Quantity: 56; Clamping Surface Nominal Length: 0.1505 INCHES SECOND END IN. 28 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.