The Gear,spur, cataloged under National Stock Number 3020-00-944-1759, 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 Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-944-1759 |
| Primary Part Number | 549-4100-002 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems |
| Status | ACTIVE |
| Hub Nominal Diameter | 0.250 INCHES FIRST END IN |
| Teeth Quantity | 48 |
| Body Style | PLAIN, SOLID |
| Nominal Distance Between Body Face and Protruding Hub End | 0.606 INCHES SECOND END IN |
| Nominal Distance Between Body Face and Protruding Hub End | 1.522 INCHES FIRST END IN |
| First Step Nominal Length | 0.189 INCHES SECOND END IN |
| Style Designator | PROTRUDING HUBS |
| Pitch Diameter | 1.0000 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| First Step Nominal Diameter | 0.378 INCHES SECOND END IN |
| Hub Style Designator | 1 GROOVE FIRST END |
| Hub Style Designator | 1 STEP SECOND END |
| End Nominal Length | 0.417 INCHES SECOND END IN |
| Nominal Outside Diameter | 1.042 INCHES IN |
| Surface Treatment | PASSIVATE HUB |
| Surface Treatment | ANODIZE BODY |
| Nominal Distance From End to First Groove | 1.203 INCHES FIRST END IN |
| End Nominal Diameter | 0.250 INCHES SECOND END IN |
| Pressure Angle | 20.0000 DEGREES |
| Material | ALUMINUM ALLOY BODY |
| Material | STEEL CORROSION RESISTING HUB |
| First Groove Nominal Diameter | 0.215 INCHES FIRST END IN |
| First Groove Nominal Width | 0.031 INCHES FIRST END IN |
| Attachment Method | SNAP RING |
| Face Nominal Width | 0.125 INCHES IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 549-4100-002 PRIMARY | Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA) |
NSN 3020-00-944-1759 is a Gear,spur, manufactured by Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-944-1759 has 1 manufacturer part number on file: 549-4100-002 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems).
Key specifications for 549-4100-002: Hub Nominal Diameter: 0.250 INCHES FIRST END IN; Teeth Quantity: 48; Body Style: PLAIN, SOLID; Nominal Distance Between Body Face and Protruding Hub End: 0.606 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 3020-00-944-1759 has DEMIL Code Q. 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.