The Gear,helical, cataloged under National Stock Number 3020-01-332-1640, 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 Noritsu America Corporation Div Government Sales. Government technical data includes 16 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 | 3020-01-332-1640 |
| Primary Part Number | A121306-02 |
| Item Name | Gear,helical |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Noritsu America Corporation Div Government Sales |
| Status | ACTIVE |
| Hub Nominal Diameter | 15.0 MILLIMETERS BOTH ENDS MM |
| Nominal Distance From Flat to Radial Center | 6.0 MILLIMETERS BOTH ENDS MM |
| Nominal Distance Between Body Face and Recessed Hub End | 2.5 MILLIMETERS BOTH ENDS MM |
| Teeth Quantity | 25 |
| Body Style | PLAIN, SOLID |
| Tooth Direction | RIGHT |
| Bore Style | D BOTH ENDS |
| Teeth Type | SINGLE HELIX |
| Style Designator | RECESSED HUBS |
| Pitch Diameter | 37.2 MILLIMETERS NOMINAL MM |
| Hub Style Designator | PLAIN BOTH ENDS |
| Nominal Outside Diameter | 40.2 MILLIMETERS MM |
| Nominal Radius | 3.2 MILLIMETERS BOTH ENDS MM |
| Pressure Angle | 20.0000 DEGREES |
| Material | PLASTIC POLYURETHANE OVERALL |
| Face Nominal Width | 8.0 MILLIMETERS MM |
| 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 |
|---|---|
| A121306-02 PRIMARY | Noritsu America Corporation Div Government Sales (USA) |
NSN 3020-01-332-1640 is a Gear,helical, manufactured by Noritsu America Corporation Div Government Sales, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-332-1640 has 1 manufacturer part number on file: A121306-02 (Noritsu America Corporation Div Government Sales).
Key specifications for A121306-02: Hub Nominal Diameter: 15.0 MILLIMETERS BOTH ENDS MM; Nominal Distance From Flat to Radial Center: 6.0 MILLIMETERS BOTH ENDS MM; Nominal Distance Between Body Face and Recessed Hub End: 2.5 MILLIMETERS BOTH ENDS MM; Teeth Quantity: 25. 16 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.