PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

103383Gear,spur

Astronautics Corporation of America · NSN 3020-00-168-0566 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-168-0566 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-168-0566. Primary manufacturer part number: 103383.
Features
  • Gear,spur — FSC 3020
  • Attachment Method: MOUNTING HOLE
  • Mounting Hole Nominal Thread Size: 0.086 INCHES AXIALLY THROUGH FLANGE IN
  • Teeth Quantity: 26
  • Backlash Designation: GRADE E
  • Tooth Form: STANDARD
  • Surface Treatment: PASSIVATE OVERALL
  • Material: STEEL COMP 303 OVERALL
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Steel Comp 303 Overall construction
General Description

The Gear,spur, cataloged under National Stock Number 3020-00-168-0566, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Astronautics Corporation of America. Government technical data includes 23 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-00-168-0566
Primary Part Number103383
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerAstronautics Corporation of America
StatusACTIVE
Attachment MethodMOUNTING HOLE
Mounting Hole Nominal Thread Size0.086 INCHES AXIALLY THROUGH FLANGE IN
Teeth Quantity26
Backlash DesignationGRADE E
Tooth FormSTANDARD
Surface TreatmentPASSIVATE OVERALL
MaterialSTEEL COMP 303 OVERALL
Bore StylePLAIN BOTH ENDS
Flange Nominal Diameter0.312 INCHES IN
Precision ClassificationQUALITY NUMBER 10 OR QUALITY NUMBER 11
Nominal Outside Diameter0.233 INCHES IN
Nominal Distance Between Outer Body Face and Inner Flange Face0.187 INCHES IN
Pressure Angle20.0000 DEGREES
Material Document and ClassificationMIL-S-7720,COMP 303S MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Hub Nominal Diameter0.187 INCHES BETWEEN BODY AND FLANGE IN
Flange Nominal Thickness0.156 INCHES IN
Mounting Hole Type and Quantity2 THREADED AXIALLY THROUGH FLANGE
Bore Nominal Diameter0.125 INCHES BOTH ENDS IN
Face Nominal Width0.125 INCHES IN
Style DesignatorFLANGED END
Mounting Hole Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) AXIALLY THROUGH FLANGE
Pitch Diameter0.2166 INCHES NOMINAL IN
Body StylePLAIN, SOLID
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5315-00-010-3383103383 INTERCHANGEABLE
Pin,cotter
Heil Environmental Industries
2925-00-090-501810-3383 INTERCHANGEABLE
Plug
Unison Industries Llc
5999-01-397-7603103383 INTERCHANGEABLE
Gasketing Material,conductive
Thermodyne International, Ltd
4820-01-434-5350103383 INTERCHANGEABLE
Guide,valve Stem
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
5310-01-543-5553103383 INTERCHANGEABLE
Washer,spring Tension
Hammonds Technical Services, Inc.
Cross-Reference Index
Part NumberManufacturer
103383 PRIMARY Astronautics Corporation of America (USA)
Related Parts
5315-00-010-3383INTERCHANGEABLE
PIN,COTTER
103383
2925-00-090-5018INTERCHANGEABLE
PLUG
10-3383
5999-01-397-7603INTERCHANGEABLE
GASKETING MATERIAL,CONDUCTIVE
103383
4820-01-434-5350INTERCHANGEABLE
GUIDE,VALVE STEM
103383
5310-01-543-5553INTERCHANGEABLE
WASHER,SPRING TENSION
103383

Frequently Asked Questions

What is NSN 3020-00-168-0566?

NSN 3020-00-168-0566 is a Gear,spur, manufactured by Astronautics Corporation of America, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-168-0566?

NSN 3020-00-168-0566 has 1 cross-referenced part number: 103383 (Astronautics Corporation of America).

What NSN replaces 3020-00-168-0566?

There are 5 known substitutes for 3020-00-168-0566: 5315-00-010-3383, 2925-00-090-5018, 5999-01-397-7603 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 103383?

Key specifications for 103383: Attachment Method: MOUNTING HOLE; Mounting Hole Nominal Thread Size: 0.086 INCHES AXIALLY THROUGH FLANGE IN; Teeth Quantity: 26; Backlash Designation: GRADE E. 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