The Gear,spur, cataloged under National Stock Number 3020-00-753-9756, 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 25 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3020-00-753-9756 |
| Primary Part Number | 7707350 |
| 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 | 8.267 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 10.732 INCHES FIRST END IN |
| Hub Nominal Diameter | 10.732 INCHES SECOND END IN |
| Nominal Distance Between Body Face and Recessed Hub End | 0.125 INCHES SECOND END IN |
| Teeth Quantity | 108 |
| Body Style | WEBBED, SOLID |
| Counterbore Nominal Diameter | 8.970 INCHES FIRST END IN |
| Bore Style | W/COUNTERBORE BOTH ENDS |
| Mounting Hole Type and Quantity | 9 THREADED AXIALLY THROUGH HUB FIRST END |
| Hardness Rating | 60.0 ROCKWELL C NOMINAL OVERALL |
| Style Designator | ONE FLUSH HUB, ONE RECESSED HUB |
| Material Document and Classification | 66 FED STD SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 18.0000 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| Hub Style Designator | PLAIN BOTH ENDS |
| Mounting Hole Nominal Thread Size | 0.500 INCHES TRANSVERSELY THROUGH HUB FIRST END IN |
| Nominal Outside Diameter | 18.323 INCHES IN |
| Mounting Hole Thread Quantity Per Inch | 20 AXIALLY THROUGH HUB FIRST END |
| Pressure Angle | 20.0000 DEGREES |
| Material | STEEL COMP 8617 OVERALL |
| Bolt Hole Circle Nominal Diameter | 9.750 INCHES TRANSVERSELY THROUGH HUB FIRST END IN |
| Counterbore Nominal Depth | 0.218 INCHES FIRST END IN |
| Mounting Hole Thread Series Designator | UNF AXIALLY THROUGH HUB FIRST END |
| Attachment Method | MOUNTING HOLE |
| Face Nominal Width | 1.125 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 |
|---|---|
| 7707350 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 3020007539756 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
NSN 3020-00-753-9756 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 3020-00-753-9756 has 1 manufacturer part number on file: 7707350 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 7707350: Bore Nominal Diameter: 8.267 INCHES BOTH ENDS IN; Hub Nominal Diameter: 10.732 INCHES FIRST END IN; Hub Nominal Diameter: 10.732 INCHES SECOND END IN; Nominal Distance Between Body Face and Recessed Hub End: 0.125 INCHES SECOND END IN. 25 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 3020-00-753-9756 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.