The Gear,bevel, cataloged under National Stock Number 3020-00-540-1699, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. Government technical data includes 24 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-540-1699 |
| Item Name | Gear,bevel |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Status | ACTIVE |
| Keyway Nominal Width | 0.127 INCHES BOTH ENDS IN |
| Bore Nominal Diameter | 0.469 INCHES BOTH ENDS IN |
| Teeth Quantity | 18 |
| Second Step Nominal Diameter | 1.234 INCHES SECOND END IN |
| Body Style | PLAIN, SOLID |
| Pitch Angle | 45.0000 DEGREES |
| Bore Style | W/ KEYWAY BOTH ENDS |
| Nominal Distance Between Body Face and Protruding Hub End | 0.188 INCHES SECOND END IN |
| First Step Nominal Length | 0.094 INCHES SECOND END IN |
| Teeth Type | STRAIGHT |
| Hardness Rating | 77.0 ROCKWELL SUPERFICIAL 30-N MINIMUM AND 80.0 ROCKWELL SUPERFICIAL 30-N MAXIMUM OVERALL |
| Nominal Overall Length | 0.614 INCHES IN |
| Style Designator | PERIPHERAL FACE, BACK HUB PROTRUDING |
| Material Document and Classification | FED STD 66 FED STD SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 1.5000 INCHES NOMINAL IN |
| First Step Nominal Diameter | 0.875 INCHES SECOND END IN |
| Hub Style Designator | 2 STEPS SECOND END |
| End Nominal Length | 0.031 INCHES SECOND END IN |
| Nominal Outside Diameter | 1.5900 INCHES IN |
| Nominal Distance From Bore Center to Keyway Bottom | 0.303 INCHES BOTH ENDS IN |
| End Nominal Diameter | 0.625 INCHES SECOND END IN |
| Pressure Angle | 20.0000 DEGREES |
| Material | STEEL COMP 4615 OVERALL |
| Face Nominal Width | 0.420 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 |
|---|---|
| SKA-4018 | 5/9 Secondary reference U.S. Government activity |
| SKA1309 | 3/9 Design control — primary reference U.S. Government activity |
NSN 3020-00-540-1699 is a Gear,bevel, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
Key specifications for 3020-00-540-1699: Keyway Nominal Width: 0.127 INCHES BOTH ENDS IN; Bore Nominal Diameter: 0.469 INCHES BOTH ENDS IN; Teeth Quantity: 18; Second Step Nominal Diameter: 1.234 INCHES SECOND END IN. 24 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.