PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2K103Gear,spur

Dynalec Corporation · NSN 3020-01-281-4502 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-01-281-4502 — this item is cataloged by the U.S. Government under National Stock Number 3020-01-281-4502. Primary manufacturer part number: 2K103.
Features
  • Gear,spur — FSC 3020
  • Body Style: PLAIN, SOLID
  • Style Designator: HUBLESS
  • Bore Style: PLAIN BOTH ENDS
  • Nominal Outside Diameter: 0.666 INCHES IN
  • Attachment Method: MOUNTING HOLE
  • Pitch Diameter: 0.5833 INCHES NOMINAL IN
  • Teeth Quantity: 14
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 3020-01-281-4502, 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 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-01-281-4502
Primary Part Number2K103
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerDynalec Corporation
StatusACTIVE
Body StylePLAIN, SOLID
Style DesignatorHUBLESS
Bore StylePLAIN BOTH ENDS
Nominal Outside Diameter0.666 INCHES IN
Attachment MethodMOUNTING HOLE
Pitch Diameter0.5833 INCHES NOMINAL IN
Teeth Quantity14
MaterialCOPPER ALLOY OVERALL
Mounting Hole Thread Series DesignatorUNEF AXIALLY THROUGH BODY FIRST END
Bore Nominal Diameter0.250 INCHES BOTH ENDS IN
Pressure Angle20.0000 DEGREES
Mounting Hole Type and Quantity2 THREADED AXIALLY THROUGH BODY FIRST END
Face Nominal Width0.375 INCHES IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
4710-00-354-3743A1369 INTERCHANGEABLE
Tube Assembly,metal
Am General Llc
5935-00-402-7208 INTERCHANGEABLE
Connector,plug,electrical
5930-01-198-94394SE00420-1 INTERCHANGEABLE
Switch,liquid Level
Naval Air Warfare Center Aircraft Division Joint Base Jbmdl
5915-01-262-4181A-1369 INTERCHANGEABLE
Filter,radio Frequency Interfere
The Captor Corporation
8455-01-396-5496 INTERCHANGEABLE
Insignia,shoulder Sleeve
8455-01-528-9624 INTERCHANGEABLE
Insignia,shoulder Sleeve
8455-01-660-5684 INTERCHANGEABLE
Insignia,shoulder Sleeve
8455-01-715-0301 INTERCHANGEABLE
Insignia,shoulder Sleeve
Cross-Reference Index
Part NumberManufacturer
2K103 PRIMARY Dynalec Corporation (USA)
YW2414 Altra Industrial Motion Corp. (USA)
A1369 The Electric Tachometer Corp. (USA)
2K103 The Electric Tachometer Corp. (USA)
Related Parts
4710-00-354-3743INTERCHANGEABLE
TUBE ASSEMBLY,METAL
A1369
5935-00-402-7208INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
5930-01-198-9439INTERCHANGEABLE
SWITCH,LIQUID LEVEL
4SE00420-1
5915-01-262-4181INTERCHANGEABLE
FILTER,RADIO FREQUENCY INTERFERE
A-1369
8455-01-396-5496INTERCHANGEABLE
INSIGNIA,SHOULDER SLEEVE
8455-01-528-9624INTERCHANGEABLE
INSIGNIA,SHOULDER SLEEVE
8455-01-660-5684INTERCHANGEABLE
INSIGNIA,SHOULDER SLEEVE
8455-01-715-0301INTERCHANGEABLE
INSIGNIA,SHOULDER SLEEVE

Frequently Asked Questions

What is NSN 3020-01-281-4502?

NSN 3020-01-281-4502 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 3020-01-281-4502?

NSN 3020-01-281-4502 has 4 cross-referenced part numbers: 2K103 (Dynalec Corporation), YW2414 (Altra Industrial Motion Corp.), A1369 (The Electric Tachometer Corp.), 2K103 (The Electric Tachometer Corp.).

What NSN replaces 3020-01-281-4502?

There are 8 known substitutes for 3020-01-281-4502: 4710-00-354-3743, 5935-00-402-7208, 5930-01-198-9439 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2K103?

Key specifications for 2K103: Body Style: PLAIN, SOLID; Style Designator: HUBLESS; Bore Style: PLAIN BOTH ENDS; Nominal Outside Diameter: 0.666 INCHES IN. 13 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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