The Gear,bevel, cataloged under National Stock Number 3020-01-316-7397, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. Government technical data includes 20 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-316-7397 |
| Item Name | Gear,bevel |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Status | ACTIVE |
| Keyway Nominal Width | 0.189 INCHES BOTH ENDS IN |
| Bore Nominal Diameter | 0.754 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 2.000 INCHES BOTH ENDS IN |
| Nominal Distance Between Body Face and Recessed Hub End | 0.538 INCHES FIRST END IN |
| Teeth Quantity | 52 |
| Body Style | WEBBED, OFFSET, WITH LIGHTENING HOLES |
| Pitch Angle | 66.1333 DEGREES |
| Bore Style | W/ 2 KEYWAYS BOTH ENDS |
| Nominal Distance Between Body Face and Protruding Hub End | 2.315 INCHES SECOND END IN |
| Teeth Type | STRAIGHT |
| Nominal Overall Length | 2.788 INCHES IN |
| Style Designator | SIDE FACE, FRONT HUB RECESSED, BACK HUB PROTRUDING |
| Material Document and Classification | MIL-B-21230 ALLOY 1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 10.4000 INCHES NOMINAL IN |
| Hub Style Designator | PLAIN BOTH ENDS |
| Nominal Outside Diameter | 10.502 INCHES IN |
| Nominal Distance From Bore Center to Keyway Bottom | 0.477 INCHES BOTH ENDS IN |
| Pressure Angle | 20.0000 DEGREES |
| Material | COPPER ALLOY OVERALL |
| Face Nominal Width | 1.250 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 |
|---|---|
| 26M68-310-3 | 5/9 Secondary reference At and T Document Development Organization |
| 26M68-310-03 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 26M68-310 | D/9 Drawing number reference only U.S. Government activity |
| 26M68-310-3 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3020-01-316-7397 is a Gear,bevel, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
Key specifications for 3020-01-316-7397: Keyway Nominal Width: 0.189 INCHES BOTH ENDS IN; Bore Nominal Diameter: 0.754 INCHES BOTH ENDS IN; Hub Nominal Diameter: 2.000 INCHES BOTH ENDS IN; Nominal Distance Between Body Face and Recessed Hub End: 0.538 INCHES FIRST END IN. 20 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.