PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

542-6114-002Gear,spur

Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems · NSN 3020-00-540-8636 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-540-8636 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-540-8636. Primary manufacturer part number: 542-6114-002.
Features
  • Gear,spur — FSC 3020
  • Tooth Form: STANDARD
  • Hub Style Designator: 1 GROOVE FIRST END
  • Nominal Distance Between Body Face and Protruding Hub End: 0.280 INCHES FIRST END IN
  • Bore Nominal Diameter: 0.1878 INCHES COUNTER BORE SECOND END IN
  • Counterbore Nominal Diameter: 0.750 INCHES COUNTER BORE SECOND END IN
  • Material: COPPER ALLOY OVERALL
  • Material Document and Classification: QQ-B-750,COMP A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Copper Alloy Overall construction
General Description

The Gear,spur, cataloged under National Stock Number 3020-00-540-8636, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems. Government technical data includes 21 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-00-540-8636
Primary Part Number542-6114-002
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerRockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
StatusACTIVE
Tooth FormSTANDARD
Hub Style Designator1 GROOVE FIRST END
Nominal Distance Between Body Face and Protruding Hub End0.280 INCHES FIRST END IN
Bore Nominal Diameter0.1878 INCHES COUNTER BORE SECOND END IN
Counterbore Nominal Diameter0.750 INCHES COUNTER BORE SECOND END IN
MaterialCOPPER ALLOY OVERALL
Material Document and ClassificationQQ-B-750,COMP A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Face Nominal Width0.095 INCHES IN
Body StylePLAIN, SOLID
Teeth Quantity84
Nominal Distance From End to First Groove0.093 INCHES FIRST END IN
Nominal Outside Diameter1.343 INCHES IN
Style DesignatorPROTRUDING HUB
Pitch Diameter1.3125 INCHES NOMINAL IN
First Groove Nominal Diameter0.3745 INCHES FIRST END IN
Hub Nominal Diameter0.3745 INCHES FIRST END IN
Pressure Angle20.0000 DEGREES
Bore StyleW/COUNTERBORE COUNTER BORE SECOND END
Precision ClassificationQUALITY NUMBER 10
First Groove Nominal Width0.093 INCHES FIRST END IN
Counterbore Nominal Depth0.093 INCHES COUNTER BORE SECOND END IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5306-00-754-1787MS20074-03-03 INTERCHANGEABLE
Bolt,machine
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
4720-01-131-5727 INTERCHANGEABLE
Hose Assembly,nonmetallic
5445-01-449-5903119661 INTERCHANGEABLE
Tower Section
Fisica Applied Technologies, Inc. Div Datron Advanced Technologies
Cross-Reference Index
Part NumberManufacturer
119661 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA)
542-6114-002 PRIMARY Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA)
Related Parts
5306-00-754-1787INTERCHANGEABLE
BOLT,MACHINE
MS20074-03-03
4720-01-131-5727INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
5445-01-449-5903INTERCHANGEABLE
TOWER SECTION
119661

Frequently Asked Questions

What is NSN 3020-00-540-8636?

NSN 3020-00-540-8636 is a Gear,spur, manufactured by Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-540-8636?

NSN 3020-00-540-8636 has 2 cross-referenced part numbers: 119661 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp), 542-6114-002 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems).

What NSN replaces 3020-00-540-8636?

There are 3 known substitutes for 3020-00-540-8636: 5306-00-754-1787, 4720-01-131-5727, 5445-01-449-5903. Verify interchangeability with system specifications before substitution.

What are the specifications of 542-6114-002?

Key specifications for 542-6114-002: Tooth Form: STANDARD; Hub Style Designator: 1 GROOVE FIRST END; Nominal Distance Between Body Face and Protruding Hub End: 0.280 INCHES FIRST END IN; Bore Nominal Diameter: 0.1878 INCHES COUNTER BORE SECOND END IN. 21 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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