The Gear,bevel, cataloged under National Stock Number 3020-01-284-7467, 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24 specifications, cited from the U.S. Government catalog. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-284-7467 |
| Item Name | Gear,bevel |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Status | ACTIVE |
| Bore Nominal Diameter | 1.000 INCHES BOTH ENDS IN |
| Teeth Quantity | 18 |
| Second Step Nominal Diameter | 2.135 INCHES SECOND END IN |
| Body Style | PLAIN, SOLID |
| Pitch Angle | 36.8667 DEGREES |
| Bore Style | STRAIGHT SPLINE BOTH ENDS |
| Nominal Distance Between Body Face and Protruding Hub End | 1.707 INCHES SECOND END IN |
| First Step Nominal Length | 0.770 INCHES SECOND END IN |
| Teeth Type | STRAIGHT |
| Nominal Overall Length | 2.650 INCHES IN |
| Second Step Nominal Length | 0.312 INCHES SECOND END IN |
| Style Designator | SIDE FACE, BACK HUB PROTRUDING |
| Material Document and Classification | MIL-S-1222,TYP 1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 3.0000 INCHES NOMINAL IN |
| First Step Nominal Diameter | 1.969 INCHES SECOND END IN |
| Hub Style Designator | 2 STEPS SECOND END |
| Spline Quantity | 10 BOTH ENDS |
| End Nominal Length | 0.625 INCHES SECOND END IN |
| Nominal Outside Diameter | 3.208 INCHES IN |
| End Nominal Diameter | 1.928 INCHES SECOND END IN |
| Pressure Angle | 20.0000 DEGREES |
| Material | STEEL OVERALL |
| Body Recess Nominal Depth | 0.156 INCHES FIRST END IN |
| Face Nominal Width | 0.750 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 |
|---|---|
| 4553740 ITEM 4 | 5/2 Secondary reference U.S. Government activity |
| 4553740 | D/9 Drawing number reference only U.S. Government activity |
| 6110-125 ITEM 4 | 3/2 Design control — primary reference U.S. Government activity |
| 6110-125 ITEM 4 | C/1 Advisory reference — outside the item-of-supply concept Huntington Ingalls Inc Div Newport News Shipbuilding |
| 4553740 ITEM 4 | 5/9 Secondary reference Huntington Ingalls Inc Div Newport News Shipbuilding |
NSN 3020-01-284-7467 is a Gear,bevel, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 3020-01-285-0752. Verify interchangeability with system specifications before substitution.
Key specifications for 3020-01-284-7467: Bore Nominal Diameter: 1.000 INCHES BOTH ENDS IN; Teeth Quantity: 18; Second Step Nominal Diameter: 2.135 INCHES SECOND END IN; Body Style: PLAIN, SOLID. 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.