The Gear,spur, cataloged under National Stock Number 3020-01-407-0755, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. Government technical data includes 18 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-407-0755 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Status | ACTIVE |
| Hub Nominal Diameter | 0.188 INCHES FIRST END IN |
| Teeth Quantity | 14 |
| Body Style | PLAIN, SOLID |
| Bore Style | THREAD SERIES DESIGNATOR PARTIALLY THREADED SECOND END |
| Nominal Distance Between Body Face and Protruding Hub End | 0.180 INCHES FIRST END IN |
| Style Designator | PROTRUDING HUB |
| Material Document and Classification | QQ-B-626 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 0.2917 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND SECOND END |
| Nominal Thread Size | 0.112 INCHES SECOND END IN |
| Hub Style Designator | PLAIN FIRST END |
| Nominal Outside Diameter | 0.333 INCHES IN |
| Thread Class | 2B SECOND END |
| Pressure Angle | 20.0000 DEGREES |
| Material | COPPER ALLOY 360 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) SECOND END |
| Nominal Thread Length | 0.120 INCHES SECOND END IN |
| 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 |
| Reference | Meaning |
|---|---|
| 301875 | 3/9 Design control — primary reference Nai Technologies Inc |
NSN 3020-01-407-0755 is a Gear,spur, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
Key specifications for 3020-01-407-0755: Hub Nominal Diameter: 0.188 INCHES FIRST END IN; Teeth Quantity: 14; Body Style: PLAIN, SOLID; Bore Style: THREAD SERIES DESIGNATOR PARTIALLY THREADED SECOND END. 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.