The Gear,spur, cataloged under National Stock Number 3020-00-753-9482, 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 23 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 | 3020-00-753-9482 |
| Primary Part Number | 7539482 |
| Item Name | Gear,spur |
| 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 | 2.350 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 2.620 INCHES FIRST END IN |
| Hub Nominal Diameter | 2.560 INCHES SECOND END IN |
| Teeth Quantity | 33 |
| Body Style | WEBBED, SOLID |
| Counterbore Nominal Diameter | 2.385 INCHES FIRST END IN |
| Bore Style | INVOLUTE SPLINE BOTH ENDS |
| Nominal Distance Between Body Face and Protruding Hub End | 0.280 INCHES FIRST END IN |
| Nominal Distance Between Body Face and Protruding Hub End | 0.030 INCHES SECOND END IN |
| Hardness Rating | 58.0 ROCKWELL C MINIMUM AND 62.0 ROCKWELL C MAXIMUM OVERALL |
| Nominal Overall Length | 0.810 INCHES IN |
| Style Designator | PROTRUDING HUBS |
| Material Document and Classification | 66,AISI/SAE 8620H FED STD SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 4.1250 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| Hub Style Designator | PLAIN BOTH ENDS |
| Spline Quantity | 22 BOTH ENDS |
| Nominal Outside Diameter | 4.373 INCHES IN |
| Pressure Angle | 20.0000 DEGREES |
| Material | STEEL COMP 8620H OVERALL |
| Counterbore Nominal Depth | 0.062 INCHES FIRST END IN |
| Spline Pitch Diameter | 2.2000 INCHES NOMINAL BOTH ENDS IN |
| Face Nominal Width | 0.500 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 3020-00-753-9482 is a Gear,spur, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-753-9482 has 2 manufacturer part numbers on file: 515337 (Renk America Llc Div Renk America), 7539482 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 7539482: Bore Nominal Diameter: 2.350 INCHES BOTH ENDS IN; Hub Nominal Diameter: 2.620 INCHES FIRST END IN; Hub Nominal Diameter: 2.560 INCHES SECOND END IN; Teeth Quantity: 33. 23 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.