The Gear,spur, cataloged under National Stock Number 3020-00-734-6501, 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 26 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 | 3020-00-734-6501 |
| Primary Part Number | 7346501 |
| 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 | 0.985 INCHES FIRST END IN |
| Teeth Quantity | 22 |
| Second Step Nominal Diameter | 1.740 INCHES FIRST END IN |
| Body Style | WEBBED, SOLID |
| Counterbore Nominal Diameter | 1.060 INCHES SECOND END IN |
| Bore Style | INVOLUTE SPLINE FIRST END |
| Nominal Distance Between Body Face and Protruding Hub End | 1.340 INCHES FIRST END IN |
| First Step Nominal Length | 0.620 INCHES FIRST END IN |
| Hardness Rating | 58.0 ROCKWELL C MINIMUM AND 62.0 ROCKWELL C MAXIMUM TEETH |
| Nominal Overall Length | 3.129 INCHES IN |
| Second Step Nominal Length | 0.255 INCHES FIRST END IN |
| Style Designator | PROTRUDING HUBS |
| Material Document and Classification | -S-3048 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 3.1429 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| First Step Nominal Diameter | 1.378 INCHES FIRST END IN |
| Hub Style Designator | 2 STEPS FIRST END |
| Spline Quantity | 18 BOTH ENDS |
| End Nominal Length | 0.470 INCHES FIRST END IN |
| Nominal Outside Diameter | 3.362 INCHES IN |
| End Nominal Diameter | 1.242 INCHES FIRST END IN |
| Pressure Angle | 20.0000 DEGREES |
| Material | STEEL COMP 8620H OVERALL |
| Counterbore Nominal Depth | 1.569 INCHES SECOND END IN |
| Spline Pitch Diameter | 0.9000 INCHES NOMINAL FIRST END IN |
| Face Nominal Width | 0.940 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 3020-00-734-6501 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 3020-00-734-6501 has 2 manufacturer part numbers on file: 517732 (Renk America Llc Div Renk America), 7346501 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 7346501: Bore Nominal Diameter: 0.985 INCHES FIRST END IN; Teeth Quantity: 22; Second Step Nominal Diameter: 1.740 INCHES FIRST END IN; Body Style: WEBBED, SOLID. 26 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.