The Gear,antibacklash,spur, cataloged under National Stock Number 3020-00-463-0077, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. Government technical data includes 5 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3020-00-463-0077 |
| Item Name | Gear,antibacklash,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Status | ACTIVE |
| Teeth Quantity | 18 |
| Pitch Diameter | 0.3120 INCHES NOMINAL IN |
| Nominal Outside Diameter | 0.281 INCHES IN |
| Pressure Angle | 20.0000 DEGREES |
| Material | STEEL COMP 416 BODY |
| 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 |
|---|---|
| C310080334 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3020-00-463-0077 is a Gear,antibacklash,spur, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
Key specifications for 3020-00-463-0077: Teeth Quantity: 18; Pitch Diameter: 0.3120 INCHES NOMINAL IN; Nominal Outside Diameter: 0.281 INCHES IN; Special Features: ROCKWELL HARDNESS C SCALE 28 TO 38,ONE FIXED,ONE FREE ANTIBACKLASH GEAR,84 TEETH,80 DIA PITCH,20 DEG PRESSURE ANGLE,1.073 IN. OD,1.050 IN. PITCH DIA IN. 5 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.