The Gear,spur, cataloged under National Stock Number 3020-00-835-9807, 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 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-835-9807 |
| Primary Part Number | 8760132 |
| 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 | 4.653 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 5.813 INCHES FIRST END IN |
| Hub Nominal Diameter | 5.828 INCHES SECOND END IN |
| Teeth Quantity | 48 |
| Body Style | WEBBED, SOLID |
| Bore Style | INVOLUTE SPLINE BOTH ENDS |
| Mounting Hole Type and Quantity | 6 PLAIN AXIALLY THROUGH BODY FIRST END |
| Nominal Distance Between Body Face and Protruding Hub End | 0.125 INCHES SECOND END IN |
| Nominal Distance Between Body Face and Protruding Hub End | 0.708 INCHES FIRST END IN |
| Mounting Hole Nominal Diameter | 7.000 INCHES AXIALLY THROUGH BODY FIRST END IN |
| Hardness Rating | 60.0 ROCKWELL C MINIMUM AND 63.0 ROCKWELL C MAXIMUM OVERALL |
| Style Designator | PROTRUDING HUBS |
| Material Document and Classification | FED STD 66 FED STD SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 9.4568 INCHES NOMINAL IN |
| Tooth Form | STUB |
| Hub Style Designator | PLAIN SECOND END |
| Hub Style Designator | 1 GROOVE FIRST END |
| Spline Quantity | 22 BOTH ENDS |
| Nominal Outside Diameter | 0.569 INCHES IN |
| Nominal Distance From End to First Groove | 0.255 INCHES FIRST END IN |
| Pressure Angle | 22.7803 DEGREES |
| Material | STEEL COMP 4320H OVERALL |
| First Groove Nominal Diameter | 0.513 INCHES FIRST END IN |
| Bolt Hole Circle Nominal Diameter | 3.500 INCHES AXIALLY THROUGH BODY FIRST END IN |
| First Groove Nominal Width | 0.436 INCHES FIRST END IN |
| Spline Pitch Diameter | 4.0000 INCHES NOMINAL BOTH ENDS IN |
| Attachment Method | MOUNTING HOLE |
| Face Nominal Width | 1.230 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 |
|---|---|
| 8760132 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 738KB312B | 5/2 Secondary reference U.S. Government activity |
NSN 3020-00-835-9807 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 3020-00-835-9807 has 1 manufacturer part number on file: 8760132 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 8760132: Bore Nominal Diameter: 4.653 INCHES BOTH ENDS IN; Hub Nominal Diameter: 5.813 INCHES FIRST END IN; Hub Nominal Diameter: 5.828 INCHES SECOND END IN; Teeth Quantity: 48. 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.