The Gear,spur, cataloged under National Stock Number 3020-00-494-9377, 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 | 3020-00-494-9377 |
| Primary Part Number | 768-5746-001 |
| 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 |
| Bore Nominal Diameter | 0.2504 INCHES BOTH ENDS IN |
| Teeth Quantity | 90 |
| Body Style | PLAIN, SOLID |
| Counterbore Nominal Diameter | 0.260 INCHES SECOND END IN |
| Bore Style | W/COUNTERBORE SECOND END |
| Bore Style | INVOLUTE SPLINE FIRST END |
| Nominal Distance Between Body Face and Protruding Hub End | 0.438 INCHES FIRST END IN |
| Nominal Distance Between Body Face and Protruding Hub End | 0.062 INCHES SECOND END IN |
| First Step Nominal Length | 0.244 INCHES FIRST END IN |
| Style Designator | PROTRUDING HUBS |
| Material Document and Classification | QQ-S-764,TYPE 303,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 1.4062 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| First Step Nominal Diameter | 0.406 INCHES FIRST END IN |
| Hub Style Designator | 1 STEP FIRST END |
| Spline Quantity | 11 FIRST END |
| End Nominal Length | 0.194 INCHES FIRST END IN |
| Nominal Outside Diameter | 1.438 INCHES IN |
| Surface Treatment | PASSIVATE OVERALL |
| End Nominal Diameter | 0.312 INCHES FIRST END IN |
| Pressure Angle | 20.0000 DEGREES |
| Material | STEEL COMP 303 OVERALL |
| Counterbore Nominal Depth | 0.1875 INCHES SECOND END IN |
| Spline Pitch Diameter | 0.2292 INCHES NOMINAL FIRST END IN |
| Face Nominal Width | 0.125 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 |
|---|---|
| 768-5746-001 PRIMARY | Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA) |
NSN 3020-00-494-9377 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 3020-00-494-9377 has 1 manufacturer part number on file: 768-5746-001 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems).
Key specifications for 768-5746-001: Bore Nominal Diameter: 0.2504 INCHES BOTH ENDS IN; Teeth Quantity: 90; Body Style: PLAIN, SOLID; Counterbore Nominal Diameter: 0.260 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 3020-00-494-9377 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.