The Gear,bevel, cataloged under National Stock Number 3020-00-734-6548, 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 Renk America Llc Div Renk America. Government technical data includes 27 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-734-6548 |
| Primary Part Number | 517878 |
| Item Name | Gear,bevel |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Renk America Llc Div Renk America |
| Status | ACTIVE |
| Bore Nominal Diameter | 1.672 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 2.120 INCHES FIRST END IN |
| Teeth Quantity | 29 |
| Body Style | WEBBED, OFFSET, SOLID |
| Counterbore Nominal Diameter | 2.677 INCHES FIRST END IN |
| Pitch Angle | 42.1844 DEGREES |
| Bore Style | INVOLUTE SPLINE BOTH ENDS |
| Mounting Hole Type and Quantity | 12 PLAIN AXIALLY THROUGH BODY FIRST END |
| Mounting Hole Nominal Diameter | 0.407 INCHES AXIALLY THROUGH BODY FIRST END IN |
| Teeth Type | STRAIGHT |
| Hardness Rating | 58.0 ROCKWELL C MINIMUM AND 62.0 ROCKWELL C MAXIMUM TEETH |
| Hardness Rating | 26.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM BODY |
| Nominal Overall Length | 2.317 INCHES IN |
| Bore Nominal Depth | 2.317 INCHES BOTH ENDS IN |
| Material Document and Classification | MIL-S-13048 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 4.1429 INCHES NOMINAL IN |
| Hub Style Designator | PLAIN FIRST END |
| Spline Quantity | 33 BOTH ENDS |
| Nominal Outside Diameter | 4.3207 INCHES IN |
| Pressure Angle | 20.0000 DEGREES |
| Material | STEEL OVERALL |
| Bolt Hole Circle Nominal Diameter | 5.375 INCHES AXIALLY THROUGH BODY FIRST END IN |
| Counterbore Nominal Depth | 0.473 INCHES FIRST END IN |
| Spline Pitch Diameter | 1.6500 INCHES NOMINAL BOTH ENDS IN |
| Attachment Method | MOUNTING HOLE |
| Body Recess Nominal Depth | 0.1170 INCHES FIRST END IN |
| Face Nominal Width | 1.000 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 |
NSN 3020-00-734-6548 is a Gear,bevel, manufactured by Renk America Llc Div Renk America, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-734-6548 has 2 manufacturer part numbers on file: 517878 (Renk America Llc Div Renk America), 7346548 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 517878: Bore Nominal Diameter: 1.672 INCHES BOTH ENDS IN; Hub Nominal Diameter: 2.120 INCHES FIRST END IN; Teeth Quantity: 29; Body Style: WEBBED, OFFSET, SOLID. 27 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.