The Gear,helical, cataloged under National Stock Number 3020-00-692-5808, 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 22 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-692-5808 |
| Primary Part Number | 7330780 |
| Item Name | Gear,helical |
| 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 | 0.4680 INCHES BOTH ENDS IN |
| Helix Angle | 21.0000 DEGREES |
| Hub Nominal Diameter | 0.812 INCHES FIRST END IN |
| Teeth Quantity | 12 |
| Body Style | PLAIN, SOLID |
| Tooth Direction | RIGHT |
| Bore Style | PLAIN BOTH ENDS |
| Mounting Hole Type and Quantity | 1 PLAIN TRANSVERSELY THROUGH HUB FIRST END |
| Nominal Distance Between Body Face and Protruding Hub End | 0.313 INCHES FIRST END IN |
| Mounting Hole Nominal Diameter | 0.125 INCHES TRANSVERSELY THROUGH HUB FIRST END IN |
| Teeth Type | SINGLE HELIX |
| Hardness Rating | 52.0 ROCKWELL C MINIMUM AND 58.0 ROCKWELL C MAXIMUM OVERALL |
| Style Designator | PROTRUDING HUB |
| Material Document and Classification | 66 FED STD SINGLE MATERIAL RESPONSE AND AISI/SAF 1141 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 1.0710 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| Hub Style Designator | PLAIN FIRST END |
| Nominal Outside Diameter | 1.185 INCHES IN |
| Pressure Angle | 14.0000 DEGREES |
| Material | STEEL COMP 1141 OVERALL |
| Attachment Method | MOUNTING HOLE |
| Face Nominal Width | 0.625 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 3020-00-692-5808 is a Gear,helical, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-692-5808 has 2 manufacturer part numbers on file: 7330780 (U S Army Tank Automotive Command Amsta-Im-Mm), 685GB11 (Volvo Group Government Sales Oceani Oceania Volvo Group Government Sales).
Key specifications for 7330780: Bore Nominal Diameter: 0.4680 INCHES BOTH ENDS IN; Helix Angle: 21.0000 DEGREES; Hub Nominal Diameter: 0.812 INCHES FIRST END IN; Teeth Quantity: 12. 22 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.