The Gear,worm Wheel, cataloged under National Stock Number 3020-01-003-9160, 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 23 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-003-9160 |
| Primary Part Number | Q3-10-C |
| Item Name | Gear,worm Wheel |
| 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 |
| Helix Angle | 3.5832 DEGREES |
| Teeth Quantity | 80 |
| Body Style | PLAIN, SOLID |
| Tooth Direction | RIGHT |
| Bore Style | PLAIN BOTH ENDS |
| Nominal Distance Between Body Face and Protruding Hub End | 0.280 INCHES FIRST END IN |
| First Step Nominal Length | 0.300 INCHES FIRST END IN |
| Face Type | CONCAVE |
| Criticality Code Justification | FEAT |
| Style Designator | PROTRUDING HUB |
| Material Document and Classification | MIL-B-994,COMP A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 1.2500 INCHES NOMINAL IN |
| First Step Nominal Diameter | 0.380 INCHES FIRST END IN |
| Hub Style Designator | 1 STEP FIRST END |
| End Nominal Length | 0.250 INCHES FIRST END IN |
| Nominal Outside Diameter | 1.281 INCHES IN |
| End Nominal Diameter | 0.310 INCHES FIRST END IN |
| Pressure Angle | 14.5000 DEGREES |
| Material | COPPER ALLOY OVERALL |
| Mating Thread Lead Quantity | 2 |
| Attachment Method | CLAMP |
| Face Nominal Width | 0.180 INCHES IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| Q3-10-C PRIMARY | Roller Bearing Co of America, Inc Div Pic Design (USA) |
| S11862-W04-23SP | Designatronics Incorporated Div Sterling Instruments Div (USA) |
| Reference | Meaning |
|---|---|
| W4-23-S | 5/1 Secondary reference Designatronics Incorporated Div Sterling Instruments Div |
NSN 3020-01-003-9160 is a Gear,worm Wheel, manufactured by Roller Bearing Co of America, Inc Div Pic Design, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-003-9160 has 2 manufacturer part numbers on file: Q3-10-C (Roller Bearing Co of America, Inc Div Pic Design), S11862-W04-23SP (Designatronics Incorporated Div Sterling Instruments Div).
Key specifications for Q3-10-C: Bore Nominal Diameter: 0.250 INCHES BOTH ENDS IN; Helix Angle: 3.5832 DEGREES; Teeth Quantity: 80; Body Style: PLAIN, SOLID. 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.