PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

UL9102-1PC49Gear,spur

Dynalec Corporation · NSN 3020-00-618-0085 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-618-0085 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-618-0085. Primary manufacturer part number: UL9102-1PC49.
Features
  • Gear,spur — FSC 3020
  • Pressure Angle: 20.0000 DEGREES
  • Style Designator: HUBLESS
  • Bolt Hole Circle Nominal Diameter: 0.375 INCHES AXIALLY THROUGH BODY FIRST END IN
  • Mounting Hole Type and Quantity: 1 THREADED AXIALLY THROUGH BODY FIRST END
  • Bore Nominal Diameter: 0.437 INCHES BOTH ENDS IN
  • Nominal Outside Diameter: 0.500 INCHES IN
  • Mounting Hole Nominal Thread Size: 0.138 INCHES AXIALLY THROUGH BODY FIRST END IN
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 3020-00-618-0085, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Dynalec Corporation. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-00-618-0085
Primary Part NumberUL9102-1PC49
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerDynalec Corporation
StatusACTIVE
Pressure Angle20.0000 DEGREES
Style DesignatorHUBLESS
Bolt Hole Circle Nominal Diameter0.375 INCHES AXIALLY THROUGH BODY FIRST END IN
Mounting Hole Type and Quantity1 THREADED AXIALLY THROUGH BODY FIRST END
Bore Nominal Diameter0.437 INCHES BOTH ENDS IN
Nominal Outside Diameter0.500 INCHES IN
Mounting Hole Nominal Thread Size0.138 INCHES AXIALLY THROUGH BODY FIRST END IN
Tooth FormSTANDARD
Teeth Quantity14
MaterialSTEEL OVERALL
Attachment MethodMOUNTING HOLE
Bore StylePLAIN BOTH ENDS
Pitch Diameter0.4375 INCHES NOMINAL IN
Precision ClassificationQUALITY NUMBER 9
Mounting Hole Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) AXIALLY THROUGH BODY FIRST END
Face Nominal Width0.438 INCHES IN
Mounting Hole Thread Quantity Per Inch32 AXIALLY THROUGH BODY FIRST END
Body StylePLAIN, SOLID
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5995-00-225-0730XH1278 INTERCHANGEABLE
Lead,electrical
Heale Manufacturing Co Llc
3455-00-231-347510040 INTERCHANGEABLE
Cutter,milling,plain
Niagara Cutter Inc
3895-00-496-7527A124 INTERCHANGEABLE
Cap,dust,quick Deta
Morrison Brothers Co Dba Morrison Brothers Co
5310-00-883-9219361238-1 INTERCHANGEABLE
Nut,plain,hexagon
L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products
6625-00-983-0744 INTERCHANGEABLE
Ammeter
4240-01-573-3865 INTERCHANGEABLE
Canister,oxygen Generating,breat
Cross-Reference Index
Part NumberManufacturer
UL9102-1PC49 Dynalec Corporation (USA)
A124 Dynalec Corporation (USA)
UL9102-1PC49 The Electric Tachometer Corp. (USA)
A124 The Electric Tachometer Corp. (USA)
9L25 Dynalec Corporation (USA)
9L25 The Electric Tachometer Corp. (USA)
Related Parts
5995-00-225-0730INTERCHANGEABLE
LEAD,ELECTRICAL
XH1278
3455-00-231-3475INTERCHANGEABLE
CUTTER,MILLING,PLAIN
10040
3895-00-496-7527INTERCHANGEABLE
CAP,DUST,QUICK DETA
A124
5310-00-883-9219INTERCHANGEABLE
NUT,PLAIN,HEXAGON
361238-1
6625-00-983-0744INTERCHANGEABLE
AMMETER
4240-01-573-3865INTERCHANGEABLE
CANISTER,OXYGEN GENERATING,BREAT

Frequently Asked Questions

What is NSN 3020-00-618-0085?

NSN 3020-00-618-0085 is a Gear,spur, manufactured by Dynalec Corporation, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-618-0085?

NSN 3020-00-618-0085 has 6 cross-referenced part numbers: UL9102-1PC49 (Dynalec Corporation), A124 (Dynalec Corporation), UL9102-1PC49 (The Electric Tachometer Corp.), A124 (The Electric Tachometer Corp.), 9L25 (Dynalec Corporation) and 1 more.

What NSN replaces 3020-00-618-0085?

There are 6 known substitutes for 3020-00-618-0085: 5995-00-225-0730, 3455-00-231-3475, 3895-00-496-7527 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of UL9102-1PC49?

Key specifications for UL9102-1PC49: Pressure Angle: 20.0000 DEGREES; Style Designator: HUBLESS; Bolt Hole Circle Nominal Diameter: 0.375 INCHES AXIALLY THROUGH BODY FIRST END IN; Mounting Hole Type and Quantity: 1 THREADED AXIALLY THROUGH BODY FIRST END. 18 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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