The Gear,bevel, cataloged under National Stock Number 3020-00-490-5430, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Kalmar AC Inc. Government technical data includes 18 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-490-5430 |
| Primary Part Number | 74707708 |
| Item Name | Gear,bevel |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Kalmar AC Inc |
| Status | ACTIVE |
| Bore Nominal Diameter | 1.181 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 1.650 INCHES SECOND END IN |
| Teeth Quantity | 16 |
| Body Style | PLAIN, SOLID |
| Pitch Angle | 30.0000 DEGREES |
| Bore Style | STRAIGHT SPLINE BOTH ENDS |
| Nominal Distance Between Body Face and Protruding Hub End | 0.670 INCHES SECOND END IN |
| Teeth Type | STRAIGHT |
| Nominal Overall Length | 1.330 INCHES IN |
| Style Designator | PERIPHERAL FACE, BACK HUB PROTRUDING |
| Pitch Diameter | 3.2000 INCHES NOMINAL IN |
| Hub Style Designator | PLAIN SECOND END |
| Spline Quantity | 10 BOTH ENDS |
| Nominal Outside Diameter | 3.3220 INCHES IN |
| Pressure Angle | 20.0000 DEGREES |
| Material | STEEL OVERALL |
| Body Recess Nominal Depth | 0.1250 INCHES FIRST END IN |
| Face Nominal Width | 0.656 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 |
| Part Number | Manufacturer |
|---|---|
| 74707708 PRIMARY | Kalmar AC Inc (USA) |
| Reference | Meaning |
|---|---|
| WA31-4 | 5/9 Secondary reference Liberty Ventures Inti, Llc |
| WA31-4 | 5/9 Secondary reference Marysville Marine Distributors, Inc. |
| 0A5711 | 5/9 Secondary reference Uniweld Products, Inc. Dba Uniweld Products Inc |
NSN 3020-00-490-5430 is a Gear,bevel, manufactured by Kalmar AC Inc, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-490-5430 has 1 manufacturer part number on file: 74707708 (Kalmar AC Inc).
Key specifications for 74707708: Bore Nominal Diameter: 1.181 INCHES BOTH ENDS IN; Hub Nominal Diameter: 1.650 INCHES SECOND END IN; Teeth Quantity: 16; Body Style: PLAIN, SOLID. 18 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.