PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7402082Gear,spur

U S Army Tank Automotive Command Amsta-Im-Mm · NSN 3020-00-740-2082 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-740-2082 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-740-2082. Primary manufacturer part number: 7402082.
Features
  • Gear,spur — FSC 3020
  • Pitch Diameter: 3.5000 INCHES NOMINAL IN
  • Face Nominal Width: 0.188 INCHES IN
  • Bore Style: W/ KEYWAY BOTH ENDS
  • Style Designator: HUBLESS
  • Pressure Angle: 20.0000 DEGREES
  • Nominal Outside Diameter: 3.625 INCHES IN
  • Tooth Form: STANDARD
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Steel Overall construction
General Description

The Gear,spur, cataloged under National Stock Number 3020-00-740-2082, 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 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-00-740-2082
Primary Part Number7402082
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerU S Army Tank Automotive Command Amsta-Im-Mm
StatusACTIVE
Pitch Diameter3.5000 INCHES NOMINAL IN
Face Nominal Width0.188 INCHES IN
Bore StyleW/ KEYWAY BOTH ENDS
Style DesignatorHUBLESS
Pressure Angle20.0000 DEGREES
Nominal Outside Diameter3.625 INCHES IN
Tooth FormSTANDARD
Bore Nominal Diameter0.312 INCHES BOTH ENDS IN
MaterialSTEEL OVERALL
Nominal Distance From Bore Center to Keyway Bottom0.234 INCHES BOTH ENDS IN
Hardness Rating80.0 ROCKWELL A MINIMUM AND 83.0 ROCKWELL A MAXIMUM TEETH
Keyway Nominal Width0.157 INCHES BOTH ENDS IN
Body StylePLAIN, SOLID
Teeth Quantity56
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5950-00-130-1464672-0295-010 INTERCHANGEABLE
Transformer,power
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
5133-00-189-9258 INTERCHANGEABLE
Drill,twist
2840-00-966-688344083 INTERCHANGEABLE
Cap,oil,transmitter
Moog Inc.
Cross-Reference Index
Part NumberManufacturer
4-4083 General Motors Corp (USA)
7402082 PRIMARY U S Army Tank Automotive Command Amsta-Im-Mm (USA)
4-4083 PRIMARY General Motors Llc Dba General Motors Llc (USA)
Related Parts
5950-00-130-1464INTERCHANGEABLE
TRANSFORMER,POWER
672-0295-010
5133-00-189-9258INTERCHANGEABLE
DRILL,TWIST
2840-00-966-6883INTERCHANGEABLE
CAP,OIL,TRANSMITTER
44083

Frequently Asked Questions

What is NSN 3020-00-740-2082?

NSN 3020-00-740-2082 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 3020-00-740-2082?

NSN 3020-00-740-2082 has 3 cross-referenced part numbers: 4-4083 (General Motors Corp), 7402082 (U S Army Tank Automotive Command Amsta-Im-Mm), 4-4083 (General Motors Llc Dba General Motors Llc).

What NSN replaces 3020-00-740-2082?

There are 3 known substitutes for 3020-00-740-2082: 5950-00-130-1464, 5133-00-189-9258, 2840-00-966-6883. Verify interchangeability with system specifications before substitution.

What are the specifications of 7402082?

Key specifications for 7402082: Pitch Diameter: 3.5000 INCHES NOMINAL IN; Face Nominal Width: 0.188 INCHES IN; Bore Style: W/ KEYWAY BOTH ENDS; Style Designator: HUBLESS. 15 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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