The Gear,spur, cataloged under National Stock Number 3020-00-308-3935, 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 20 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-308-3935 |
| Primary Part Number | 7709354 |
| 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 | 7.873 INCHES SECOND END IN |
| Backlash Designation | GRADE A |
| Nominal Distance Between Body Face and Recessed Hub End | 2.995 INCHES FIRST END IN |
| Teeth Quantity | 58 |
| Body Style | WEBBED, OFFSET, SOLID |
| Counterbore Nominal Diameter | 8.626 INCHES FIRST END IN |
| Bore Style | PLAIN SECOND END |
| Bore Style | W/COUNTERBORE FIRST END |
| Hardness Rating | 60.0 ROCKWELL C NOMINAL TEETH |
| Style Designator | RECESSED HUB |
| Material Document and Classification | MIL-S-13048 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 14.5000 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| Spline Quantity | 77 BOTH ENDS |
| Nominal Outside Diameter | 14.890 INCHES IN |
| Pressure Angle | 25.0000 DEGREES |
| Material | STEEL OVERALL |
| Counterbore Nominal Depth | 1.350 INCHES FIRST END IN |
| Spline Pitch Diameter | 12.8333 INCHES NOMINAL SECOND END IN |
| Face Nominal Width | 3.280 INCHES IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 7709354 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 3020-00-308-3935 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 3020-00-308-3935 has 1 manufacturer part number on file: 7709354 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 7709354: Bore Nominal Diameter: 7.873 INCHES SECOND END IN; Backlash Designation: GRADE A; Nominal Distance Between Body Face and Recessed Hub End: 2.995 INCHES FIRST END IN; Teeth Quantity: 58. 20 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.
NSN 3020-00-308-3935 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.