Thread-Lock® Fiber Optic Connectors - Leviton


We Guarantee to Have the Best Price

What's special about these fiber optic connectors?

  • TIA/EIA 568-B compliant & meets FCC Part 68
  • Insertion loss typical at 0.20dB
  • Available in both single mode and multimode
  • Click for More Features

Leviton's Thread-Lock Fiber Optic Connectors are field installable and require no epoxy, heat cure devices, or special tools to terminate single mode or multimode fiber. They may be removed and reused and are recommended for indoor use (0° to 60° C operating temperature). These connectors are TIA/EIA 568-B compliant and meet industry standards for performance and tensile strength.


LE-49884-SSC SC Thread-Lock Connector Singlemode (blue) 1
LE-49884-MSC SC Thread-Lock Connector Multimode (beige) 1
LE-49882-SST ST Thread-Lock Connector Singlemode 1
LE-49882-MST ST Thread-Lock Connector Multimode 1
LE-49884-DPC SC Duplex Clip for Thread-Lock Connector, Black Bag of 25
LE-49884-BAD SC Duplex Adapter (Beige) w/Phosphor Bronze Sleeve Bag of 25

Thread-Lock connectors are available in ST and SC single mode and multimode configurations. Their installation requires about 2 minutes.

  • Recommended for indoor use
  • Reusable
  • No epoxy or special crimp tools required to terminate single mode or multimode fiber
  • No heat cure devices required
  • Termination time is approximately 2 minutes
  • The connectors come with a 900µm and 3.00mm boot
  • Ferrule is pre-radiused zirconia ceramic (ST)
  • Duplex clips available
  • ISO 9001 certified
  • 1 year limited warranty and 15-year product performance guarantee
  • Leviton provides a lifetime warranty against defects in material and workmanship


 SC Thread-Lock ConnectorST Thread-Lock Connector
Fiber Size Singlemode: 9/125 micron
Multimode: 50/125 micron and 62.5/125 micron
Singlemode: 9/125 micron
Multimode: 50/125 micron and 62.5/125 micron
Materials Body: Nickel-plated Brass
Housing: Plastic
Strain-relief boot: Santoprene
Body: Nickel-plated Brass
Ferrule: Pre-radiused zirconia ceramic
Temperature Range -40° to +80° C 0° to +60° C
Loss Specification 0.2 dB Typical 0.2 dB Typical
Mounting Push/pull dual latch Bayonet w/ coupling nut


specs for sc thread lock specs for leviton st thread lock
Thread-Lock® SC ConnectorThread-Lock® ST Connector







we will beat a competitor's quote by 5%

Did you know that we can give you a quote for most of our products, including shipping?

You can also call us toll free 866.222.0030

Questions & Answers

Do you have any questions about this product?
Let our experts and customers resolve all your doubts

What can make this page better?

We do everything we can think of to provide you with the product specs, images and ordering info you need, but if we're missing something or still have room to improve, please let us know. Your comments, suggestions and questions are the best tools we have for serving you better!