The Gear,spur, cataloged under National Stock Number 3020-01-074-9221, 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 23 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 | 3020-01-074-9221 |
| Primary Part Number | 797-7988-001 |
| 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 |
| Hub Nominal Diameter | 0.500 INCHES SECOND END IN |
| Nominal Distance From Flat to Radial Center | 0.132 INCHES BOTH ENDS IN |
| Teeth Quantity | 54 |
| Body Style | WEBBED, WITH LIGHTENING HOLES |
| Bore Style | D BOTH ENDS |
| Nominal Distance Between Body Face and Protruding Hub End | 0.377 INCHES FIRST END IN |
| First Step Nominal Length | 0.252 INCHES FIRST END IN |
| Nominal Overall Length | 0.755 INCHES IN |
| Style Designator | ONE PROTRUDING HUB, ONE FLUSH HUB |
| Material Document and Classification | AMS 5643,17-4PH ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 1.6875 INCHES NOMINAL IN |
| Tooth Form | STUB |
| First Step Nominal Diameter | 0.755 INCHES FIRST END IN |
| Hub Style Designator | 1 STEP FIRST END |
| Hub Style Designator | PLAIN SECOND END |
| End Nominal Length | 0.125 INCHES FIRST END IN |
| Nominal Outside Diameter | 1.750 INCHES IN |
| Nominal Radius | 0.1800 INCHES BOTH ENDS IN |
| Surface Treatment | PASSIVATE OVERALL |
| End Nominal Diameter | 0.500 INCHES FIRST END IN |
| Pressure Angle | 20.0000 DEGREES |
| Material | STEEL COMP 630 OVERALL |
| Face Nominal Width | 0.378 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 |
|---|---|
| 797-7988-001 PRIMARY | Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA) |
NSN 3020-01-074-9221 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 3020-01-074-9221 has 1 manufacturer part number on file: 797-7988-001 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems).
Key specifications for 797-7988-001: Hub Nominal Diameter: 0.500 INCHES SECOND END IN; Nominal Distance From Flat to Radial Center: 0.132 INCHES BOTH ENDS IN; Teeth Quantity: 54; Body Style: WEBBED, WITH LIGHTENING HOLES. 23 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.