PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8682906Gear,spur

U S Army Tank Automotive Command Amsta-Im-Mm · NSN 3020-00-351-9689 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-351-9689 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-351-9689. Primary manufacturer part number: 8682906.
Features
  • Gear,spur — FSC 3020
  • Pitch Diameter: 8.0000 INCHES NOMINAL IN
  • Nominal Overall Length: 1.125 INCHES IN
  • Body Style: PLAIN, SOLID
  • Teeth Quantity: 40
  • Hardness Rating: 58.0 ROCKWELL C MINIMUM AND 62.0 ROCKWELL C MAXIMUM OVERALL
  • Style Designator: PROTRUDING HUBS
  • Pressure Angle: 20.0000 DEGREES
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Steel Comp 8720 or Steel Comp 8630 Overall construction
General Description

The Gear,spur, cataloged under National Stock Number 3020-00-351-9689, 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 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 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
NSN3020-00-351-9689
Primary Part Number8682906
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerU S Army Tank Automotive Command Amsta-Im-Mm
StatusACTIVE
Pitch Diameter8.0000 INCHES NOMINAL IN
Nominal Overall Length1.125 INCHES IN
Body StylePLAIN, SOLID
Teeth Quantity40
Hardness Rating58.0 ROCKWELL C MINIMUM AND 62.0 ROCKWELL C MAXIMUM OVERALL
Style DesignatorPROTRUDING HUBS
Pressure Angle20.0000 DEGREES
Nominal Distance Between Body Face and Protruding Hub End0.063 INCHES BOTH ENDS IN
MaterialSTEEL COMP 8720 OR STEEL COMP 8630 OVERALL
Bore StyleSTRAIGHT SPLINE BOTH ENDS
Hub Nominal Diameter2.500 INCHES SECOND END IN
Spline Quantity6 BOTH ENDS
Hub Style DesignatorPLAIN BOTH ENDS
Face Nominal Width1.000 INCHES IN
Nominal Outside Diameter8.283 INCHES IN
Hub Nominal Diameter2.500 INCHES FIRST END IN
Material Document and ClassificationQQ-S-624,COMP 8720 FED SPEC 1ST MATERIAL RESPONSE OR QQ-S-624,COMP 8630 FED SPEC 2ND MATERIAL RESPONSE OVERALL
Tooth FormSTANDARD
Bore Nominal Diameter1.488 INCHES BOTH ENDS IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5955-00-236-8136 INTERCHANGEABLE
Crystal Unit,quartz
Cross-Reference Index
Part NumberManufacturer
Y1012 Paccar Government Group Co Yarrow Bay Office Pk (USA)
21A1012 Paccar Government Group Co Yarrow Bay Office Pk (USA)
8682906 PRIMARY U S Army Tank Automotive Command Amsta-Im-Mm (USA)
Related Parts
5955-00-236-8136INTERCHANGEABLE
CRYSTAL UNIT,QUARTZ

Frequently Asked Questions

What is NSN 3020-00-351-9689?

NSN 3020-00-351-9689 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 3020-00-351-9689?

NSN 3020-00-351-9689 has 3 cross-referenced part numbers: Y1012 (Paccar Government Group Co Yarrow Bay Office Pk), 21A1012 (Paccar Government Group Co Yarrow Bay Office Pk), 8682906 (U S Army Tank Automotive Command Amsta-Im-Mm).

What NSN replaces 3020-00-351-9689?

There is 1 known substitute for 3020-00-351-9689: 5955-00-236-8136. Verify interchangeability with system specifications before substitution.

What are the specifications of 8682906?

Key specifications for 8682906: Pitch Diameter: 8.0000 INCHES NOMINAL IN; Nominal Overall Length: 1.125 INCHES IN; Body Style: PLAIN, SOLID; Teeth Quantity: 40. 19 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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