PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

543-0694-002Gear,spur

Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems · NSN 3020-00-671-1161 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-671-1161 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-671-1161. Primary manufacturer part number: 543-0694-002.
Features
  • Gear,spur — FSC 3020
  • Nominal Outside Diameter: 1.291 INCHES IN
  • Material: COPPER ALLOY 360 OVERALL
  • Bore Nominal Diameter: 0.188 INCHES BOTH ENDS IN
  • Face Nominal Width: 0.125 INCHES IN
  • Attachment Method: MOUNTING HOLE
  • Mounting Hole Nominal Thread Size: 0.138 INCHES TRANSVERSELY THROUGH HUB FIRST END IN
  • Mounting Hole Thread Quantity Per Inch: 40 TRANSVERSELY THROUGH HUB FIRST END
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Copper Alloy 360 Overall construction
General Description

The Gear,spur, cataloged under National Stock Number 3020-00-671-1161, 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-00-671-1161
Primary Part Number543-0694-002
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerRockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
StatusACTIVE
Nominal Outside Diameter1.291 INCHES IN
MaterialCOPPER ALLOY 360 OVERALL
Bore Nominal Diameter0.188 INCHES BOTH ENDS IN
Face Nominal Width0.125 INCHES IN
Attachment MethodMOUNTING HOLE
Mounting Hole Nominal Thread Size0.138 INCHES TRANSVERSELY THROUGH HUB FIRST END IN
Mounting Hole Thread Quantity Per Inch40 TRANSVERSELY THROUGH HUB FIRST END
Body StylePLAIN, SOLID
Hub Style DesignatorPLAIN FIRST END
Material Document and ClassificationQQ-B-626,COMP 22,1/2H FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Nominal Distance Between Body Face and Protruding Hub End0.250 INCHES FIRST END IN
Hub Nominal Diameter0.500 INCHES FIRST END IN
Bore StylePLAIN BOTH ENDS
Pressure Angle20.0000 DEGREES
Pitch Diameter1.2500 INCHES NOMINAL IN
Mounting Hole Type and Quantity2 THREADED TRANSVERSELY THROUGH HUB FIRST END
Mounting Hole Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) TRANSVERSELY THROUGH HUB FIRST END
Teeth Quantity60
Tooth FormSTANDARD
Style DesignatorPROTRUDING HUB
Nominal Overall Length0.375 INCHES IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5310-00-185-6358 INTERCHANGEABLE
Nut,plain,round
1377-01-162-34001277-20 INTERCHANGEABLE
Cartridge,delay
Universal Propulsion Company Inc Dba Goodrich Div Universal Propulsion Co., Inc.
Cross-Reference Index
Part NumberManufacturer
543-0694-002 PRIMARY Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA)
127720 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA)
Related Parts
5310-00-185-6358INTERCHANGEABLE
NUT,PLAIN,ROUND
1377-01-162-3400INTERCHANGEABLE
CARTRIDGE,DELAY
1277-20

Frequently Asked Questions

What is NSN 3020-00-671-1161?

NSN 3020-00-671-1161 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 3020-00-671-1161?

NSN 3020-00-671-1161 has 2 cross-referenced part numbers: 543-0694-002 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems), 127720 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp).

What NSN replaces 3020-00-671-1161?

There are 2 known substitutes for 3020-00-671-1161: 5310-00-185-6358, 1377-01-162-3400. Verify interchangeability with system specifications before substitution.

What are the specifications of 543-0694-002?

Key specifications for 543-0694-002: Nominal Outside Diameter: 1.291 INCHES IN; Material: COPPER ALLOY 360 OVERALL; Bore Nominal Diameter: 0.188 INCHES BOTH ENDS IN; Face Nominal Width: 0.125 INCHES IN. 22 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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