The Gear,bevel, cataloged under National Stock Number 3020-00-752-1264, 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 U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 28 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 | 3020-00-752-1264 |
| Primary Part Number | 7521264 |
| Item Name | Gear,bevel |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Bore Nominal Diameter | 1.335 INCHES BOTH ENDS IN |
| Teeth Quantity | 25 |
| Body Style | PLAIN, SOLID |
| Counterbore Nominal Diameter | 1.210 INCHES BOTH ENDS IN |
| Counterbore Nominal Diameter | 1.210 INCHES FIRST END IN |
| Pitch Angle | 49.9698 DEGREES |
| Bore Style | INVOLUTE SPLINE BOTH ENDS |
| Nominal Distance Between Body Face and Protruding Hub End | 0.960 INCHES SECOND 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 | 2.375 INCHES IN |
| Style Designator | PERIPHERAL FACE, BACK HUB PROTRUDING |
| Bore Nominal Depth | 2.375 INCHES BOTH ENDS IN |
| Material Document and Classification | MIL-S-13048 FS 8615,FS 8620,FS 8720 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 3.1250 INCHES NOMINAL IN |
| Hub Style Designator | 1 GROOVE FIRST END |
| Spline Quantity | 25 BOTH ENDS |
| Nominal Outside Diameter | 3.2356 INCHES IN |
| End Nominal Diameter | 1.622 INCHES FIRST END IN |
| Pressure Angle | 20.0000 DEGREES |
| Material | STEEL OVERALL |
| First Groove Nominal Diameter | 1.440 INCHES FIRST END IN |
| Counterbore Nominal Depth | 0.687 INCHES FIRST END IN |
| Counterbore Nominal Depth | 0.812 INCHES BOTH ENDS IN |
| First Groove Nominal Width | 0.180 INCHES FIRST END IN |
| Spline Pitch Diameter | 1.2500 INCHES NOMINAL BOTH ENDS IN |
| Face Nominal Width | 0.620 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 3020-00-752-1264 is a Gear,bevel, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-752-1264 has 2 manufacturer part numbers on file: 517298 (Renk America Llc Div Renk America), 7521264 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 7521264: Bore Nominal Diameter: 1.335 INCHES BOTH ENDS IN; Teeth Quantity: 25; Body Style: PLAIN, SOLID; Counterbore Nominal Diameter: 1.210 INCHES BOTH ENDS IN. 28 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.