The Gear,spur, cataloged under National Stock Number 3020-01-228-7863, 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 Roller Bearing Co of America, Inc Div Pic Design. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-228-7863 |
| Primary Part Number | J21-66-Q14 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Roller Bearing Co of America, Inc Div Pic Design |
| Status | ACTIVE |
| Bore Nominal Diameter | 0.375 INCHES BOTH ENDS IN |
| Teeth Quantity | 66 |
| Body Style | PLAIN, SOLID |
| Bore Style | PLAIN BOTH ENDS |
| Precision Classification | QUALITY NUMBER 14 |
| Style Designator | HUBLESS |
| Pitch Diameter | 2.7495 INCHES MINIMUM AND 2.7500 INCHES MAXIMUM IN |
| Tooth Form | STANDARD |
| Nominal Outside Diameter | 2.833 INCHES IN |
| Surface Treatment | PASSIVATE OVERALL |
| Pressure Angle | 20.0000 DEGREES |
| Material | STEEL CORROSION RESISTING OVERALL |
| Face Nominal Width | 0.125 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 |
|---|---|
| J21-66-Q14 PRIMARY | Roller Bearing Co of America, Inc Div Pic Design (USA) |
| GH10-66-Q14 | Secs Inc (USA) |
| S19-66-Q14 | Designatronics Incorporated Div Sterling Instruments Div (USA) |
| Reference | Meaning |
|---|---|
| J21-66-014 | C/1 Advisory reference — outside the item-of-supply concept Roller Bearing Co of America, Inc Div Pic Design |
| F24S3-66-Q14 | 5/9 Secondary reference W. M. Berg, Inc. |
NSN 3020-01-228-7863 is a Gear,spur, manufactured by Roller Bearing Co of America, Inc Div Pic Design, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-228-7863 has 3 manufacturer part numbers on file: J21-66-Q14 (Roller Bearing Co of America, Inc Div Pic Design), GH10-66-Q14 (Secs Inc), S19-66-Q14 (Designatronics Incorporated Div Sterling Instruments Div).
Key specifications for J21-66-Q14: Bore Nominal Diameter: 0.375 INCHES BOTH ENDS IN; Teeth Quantity: 66; Body Style: PLAIN, SOLID; Bore Style: PLAIN BOTH ENDS. 13 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.