The Gear,worm, cataloged under National Stock Number 3020-01-239-9097, 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 15 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 | 3020-01-239-9097 |
| Primary Part Number | Q12-1 |
| Item Name | Gear,worm |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Roller Bearing Co of America, Inc Div Pic Design |
| Status | ACTIVE |
| Thread Form Direction | RIGHT-HAND |
| Bore Nominal Diameter | 0.125 INCHES BOTH ENDS IN |
| Helix Angle | 14.0333 DEGREES |
| Hub Nominal Diameter | 0.312 INCHES FIRST END IN |
| Bore Style | W/COUNTERBORE COUNTER BORE SECOND END |
| Nominal Distance Between Body Face and Protruding Hub End | 0.188 INCHES FIRST END IN |
| Nominal Overall Length | 0.750 INCHES IN |
| Style Designator | PROTRUDING HUB |
| Pitch Diameter | 0.3333 INCHES NOMINAL IN |
| Hub Style Designator | PINNED FIRST END |
| Thread Form Quantity | 4 |
| Surface Treatment | PASSIVATE OVERALL |
| Pressure Angle | 25.0000 DEGREES |
| Material | STEEL CORROSION RESISTING OVERALL |
| Face Nominal Width | 0.562 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 |
|---|---|
| Q12-1 PRIMARY | Roller Bearing Co of America, Inc Div Pic Design (USA) |
NSN 3020-01-239-9097 is a Gear,worm, manufactured by Roller Bearing Co of America, Inc Div Pic Design, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-239-9097 has 1 manufacturer part number on file: Q12-1 (Roller Bearing Co of America, Inc Div Pic Design).
Key specifications for Q12-1: Thread Form Direction: RIGHT-HAND; Bore Nominal Diameter: 0.125 INCHES BOTH ENDS IN; Helix Angle: 14.0333 DEGREES; Hub Nominal Diameter: 0.312 INCHES FIRST END IN. 15 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.