The Gear,bevel, cataloged under National Stock Number 3020-01-087-0041, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. Government technical data includes 19 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-087-0041 |
| Item Name | Gear,bevel |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Status | ACTIVE |
| Bore Nominal Diameter | 0.625 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 1.375 INCHES SECOND END IN |
| Teeth Quantity | 21 |
| Body Style | PLAIN, SOLID |
| Pitch Angle | 45.0000 DEGREES |
| Bore Style | PLAIN BOTH ENDS |
| Mounting Hole Type and Quantity | 1 PLAIN TRANSVERSELY THROUGH HUB FIRST END |
| Nominal Distance Between Body Face and Protruding Hub End | 0.687 INCHES SECOND END IN |
| Mounting Hole Nominal Diameter | 0.281 INCHES TRANSVERSELY THROUGH HUB FIRST END IN |
| Teeth Type | STRAIGHT |
| Nominal Overall Length | 1.187 INCHES IN |
| Style Designator | PERIPHERAL FACE, BACK HUB PROTRUDING |
| Pitch Diameter | 1.7500 INCHES NOMINAL IN |
| Hub Style Designator | PLAIN SECOND END |
| Nominal Outside Diameter | 1.916 INCHES IN |
| Pressure Angle | 20.0000 DEGREES |
| Material | STEEL OVERALL |
| Attachment Method | MOUNTING HOLE |
| Face Nominal Width | 0.390 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 |
|---|---|
| 4684480-0005 | 3/2 Design control — primary reference U.S. Government activity |
| 201-4684480 | D/9 Drawing number reference only U.S. Government activity |
NSN 3020-01-087-0041 is a Gear,bevel, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
5 possible matches (shared part number, not a government interchangeability claim): 3020-01-124-0319, 3020-01-124-2792, 3020-01-124-3820. Verify interchangeability with system specifications before substitution.
Key specifications for 3020-01-087-0041: Bore Nominal Diameter: 0.625 INCHES BOTH ENDS IN; Hub Nominal Diameter: 1.375 INCHES SECOND END IN; Teeth Quantity: 21; Body Style: PLAIN, SOLID. 19 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.