The Gear,bevel, cataloged under National Stock Number 3020-00-334-9391, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. Government technical data includes 22 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3020-00-334-9391 |
| Item Name | Gear,bevel |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Status | ACTIVE |
| Bore Nominal Diameter | 0.1876 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 0.3125 INCHES SECOND END IN |
| Backlash Designation | GRADE C |
| Nominal Distance Between Body Face and Recessed Hub End | 0.0312 INCHES FIRST END IN |
| Teeth Quantity | 48 |
| Surface Treatment Document and Classification | MIL-F-495 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Body Style | PLAIN, SOLID |
| Pitch Angle | 63.4332 DEGREES |
| Bore Style | PLAIN BOTH ENDS |
| Nominal Distance Between Body Face and Protruding Hub End | 0.2500 INCHES SECOND END IN |
| Precision Classification | QUALITY NUMBER 8 |
| Teeth Type | STRAIGHT |
| Nominal Overall Length | 0.3750 INCHES IN |
| Style Designator | PERIPHERAL FACE, FRONT HUB RECESSED, BACK HUB PROTRUDING |
| Material Document and Classification | QQ-B-728,CLASS B,COMP HARD FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 1.0000 INCHES NOMINAL IN |
| Hub Style Designator | PLAIN SECOND END |
| Nominal Outside Diameter | 1.0312 INCHES IN |
| Surface Treatment | OXIDE OVERALL |
| Pressure Angle | 14.5000 DEGREES |
| Material | COPPER ALLOY 670 OVERALL |
| Face Nominal Width | 0.1560 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 |
|---|---|
| 727069 | 5/9 Secondary reference U.S. Government activity |
| 727069 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3020-00-334-9391 is a Gear,bevel, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
Key specifications for 3020-00-334-9391: Bore Nominal Diameter: 0.1876 INCHES BOTH ENDS IN; Hub Nominal Diameter: 0.3125 INCHES SECOND END IN; Backlash Designation: GRADE C; Nominal Distance Between Body Face and Recessed Hub End: 0.0312 INCHES FIRST END IN. 22 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.