The Gear,spur, cataloged under National Stock Number 3020-00-702-3728, 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 18 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-702-3728 |
| Primary Part Number | G3-75 |
| 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 | 0.250 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 0.500 INCHES FIRST END IN |
| Teeth Quantity | 75 |
| Surface Treatment Document and Classification | QQ-P-35,TYPE 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Body Style | PLAIN, SOLID |
| Bore Style | PLAIN BOTH ENDS |
| Nominal Distance Between Body Face and Protruding Hub End | 0.250 INCHES FIRST END IN |
| Precision Classification | QUALITY NUMBER 13 OR QUALITY NUMBER 14 |
| Style Designator | PROTRUDING HUB |
| Material Document and Classification | QQ-S-763,CLASS 303,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 1.5620 INCHES MINIMUM AND 1.5625 INCHES MAXIMUM IN |
| Tooth Form | STANDARD |
| Hub Style Designator | PINNED FIRST END |
| Nominal Outside Diameter | 1.604 INCHES IN |
| Surface Treatment | PASSIVATE OVERALL |
| Pressure Angle | 20.0000 DEGREES |
| Material | STEEL COMP 303 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 |
|---|---|
| G3-75 PRIMARY | Roller Bearing Co of America, Inc Div Pic Design (USA) |
| GP24-75 | Secs Inc (USA) |
| 336C860H15REVA | Westinghouse Electric Corp (USA) |
| 342C103H32 | Westinghouse Electric Corp (USA) |
| Reference | Meaning |
|---|---|
| 336C860H15REVA | 5/2 Secondary reference U.S. Government activity |
| 342C103H32 | 5/2 Secondary reference U.S. Government activity |
| 736786-05 | C/1 Advisory reference — outside the item-of-supply concept Ge Aviation Systems Llc |
| WH8319-32 | 5/9 Secondary reference Zagora Gear Products Inc |
NSN 3020-00-702-3728 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 3020-00-702-3728 has 4 manufacturer part numbers on file: G3-75 (Roller Bearing Co of America, Inc Div Pic Design), GP24-75 (Secs Inc), 336C860H15REVA (Westinghouse Electric Corp), 342C103H32 (Westinghouse Electric Corp).
Key specifications for G3-75: Bore Nominal Diameter: 0.250 INCHES BOTH ENDS IN; Hub Nominal Diameter: 0.500 INCHES FIRST END IN; Teeth Quantity: 75; Surface Treatment Document and Classification: QQ-P-35,TYPE 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL. 18 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.