PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7767397Gear,spur

U S Army Tank Automotive Command Amsta-Im-Mm · NSN 3020-00-776-7397 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-776-7397 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-776-7397. Primary manufacturer part number: 7767397.
Features
  • Gear,spur — FSC 3020
  • Attachment Method: MOUNTING HOLE
  • Pressure Angle: 20.0000 DEGREES
  • Bolt Hole Circle Nominal Diameter: 4.750 INCHES AXIALLY THROUGH HUB FIRST END IN
  • Hardness Rating: 60.0 ROCKWELL C NOMINAL TEETH
  • Hub Nominal Diameter: 5.690 INCHES SECOND END IN
  • Mounting Hole Nominal Diameter: 0.334 INCHES TRANSVERSELY THROUGH HUB FIRST END IN
  • Nominal Distance Between Body Face and Recessed Hub End: 0.060 INCHES FIRST END IN
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Steel Comp 8615 Overall construction
General Description

The Gear,spur, cataloged under National Stock Number 3020-00-776-7397, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 24 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-00-776-7397
Primary Part Number7767397
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerU S Army Tank Automotive Command Amsta-Im-Mm
StatusACTIVE
Attachment MethodMOUNTING HOLE
Pressure Angle20.0000 DEGREES
Bolt Hole Circle Nominal Diameter4.750 INCHES AXIALLY THROUGH HUB FIRST END IN
Hardness Rating60.0 ROCKWELL C NOMINAL TEETH
Hub Nominal Diameter5.690 INCHES SECOND END IN
Mounting Hole Nominal Diameter0.334 INCHES TRANSVERSELY THROUGH HUB FIRST END IN
Nominal Distance Between Body Face and Recessed Hub End0.060 INCHES FIRST END IN
Nominal Outside Diameter7.824 INCHES IN
Pitch Diameter7.5000 INCHES NOMINAL IN
Tooth FormSTANDARD
Teeth Quantity60
Bore StyleW/COUNTERBORE BOTH ENDS
Material Document and ClassificationMIL-S-13048 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Hub Nominal Diameter5.690 INCHES FIRST END IN
Style DesignatorONE FLUSH HUB, ONE RECESSED HUB
Counterbore Nominal Depth0.160 INCHES FIRST END IN
Face Nominal Width0.750 INCHES IN
Mounting Hole Type and Quantity6 PLAIN AXIALLY THROUGH HUB FIRST END
Bore Nominal Diameter4.120 INCHES BOTH ENDS IN
Body StyleWEBBED, OFFSET, SOLID
Hub Style DesignatorPLAIN BOTH ENDS
MaterialSTEEL COMP 8615 OVERALL
Counterbore Nominal Diameter5.376 INCHES FIRST END IN
Hardness Rating34.0 ROCKWELL C NOMINAL HUB
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5962-01-412-1079 INTERCHANGEABLE
Microcircuit,digital
Cross-Reference Index
Part NumberManufacturer
301698 Renk America Llc Div Renk America (USA)
7767397 PRIMARY U S Army Tank Automotive Command Amsta-Im-Mm (USA)
Related Parts
5962-01-412-1079INTERCHANGEABLE
MICROCIRCUIT,DIGITAL

Frequently Asked Questions

What is NSN 3020-00-776-7397?

NSN 3020-00-776-7397 is a Gear,spur, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-776-7397?

NSN 3020-00-776-7397 has 2 cross-referenced part numbers: 301698 (Renk America Llc Div Renk America), 7767397 (U S Army Tank Automotive Command Amsta-Im-Mm).

What NSN replaces 3020-00-776-7397?

There is 1 known substitute for 3020-00-776-7397: 5962-01-412-1079. Verify interchangeability with system specifications before substitution.

What are the specifications of 7767397?

Key specifications for 7767397: Attachment Method: MOUNTING HOLE; Pressure Angle: 20.0000 DEGREES; Bolt Hole Circle Nominal Diameter: 4.750 INCHES AXIALLY THROUGH HUB FIRST END IN; Hardness Rating: 60.0 ROCKWELL C NOMINAL TEETH. 24 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com