National Bolt & Nut Corporation
National Bolt & Nut Corporation
125 E. Commerce Drive
Schaumburg, IL 60173
Toll Free: 888.307.8811
Phone: 630.307.8800
Fax: 630.307.8870
Email: info@nationalbolt.com
Website: www.nationalbolt.com
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  • Heavy hex style
  • Nylon inserts and Nuts with patches also available as an option on the Request for Information form.
  • Other materials and finishes available. For further information, call or send an information request.
N.U. Series Nylon Insert Lock Nuts
Unit of Measure
1 

Item #

Thread Size

Finish

Thread Style

Custom N/A Custom N/A Custom N/A Custom
pn-5490 N/A 1/4-20 N/A Plain N/A Coarse Thread
pn-5491 N/A 5/16-18 N/A Plain N/A Coarse Thread
pn-5492 N/A 3/8-16 N/A Plain N/A Coarse Thread
pn-5493 N/A 7/16-14 N/A Plain N/A Coarse Thread
pn-5494 N/A 1/2-13 N/A Plain N/A Coarse Thread
pn-5495 N/A 9/16-12 N/A Plain N/A Coarse Thread
pn-5496 N/A 5/8-11 N/A Plain N/A Coarse Thread
pn-5497 N/A 3/4-10 N/A Plain N/A Coarse Thread
pn-5498 N/A 7/8-9 N/A Plain N/A Coarse Thread
pn-5499 N/A 1-8 N/A Plain N/A Coarse Thread
pn-5500 N/A 1 1/8-7 N/A Plain N/A Coarse Thread
pn-5501 N/A 1 1/4-7 N/A Plain N/A Coarse Thread
pn-5502 N/A 1 3/8-6 N/A Plain N/A Coarse Thread
pn-5503 N/A 1 1/2-6 N/A Plain N/A Coarse Thread
pn-5504 N/A 1 3/4-5 N/A Plain N/A Coarse Thread
pn-5505 N/A 2-4 1/2 N/A Plain N/A Coarse Thread
pn-5506 N/A 2 1/4-4 1/2 N/A Plain N/A Coarse Thread
pn-5507 N/A 2 1/2-4 N/A Plain N/A Coarse Thread
pn-5508 N/A 2 3/4-4 N/A Plain N/A Coarse Thread
pn-5509 N/A 3-4 N/A Plain N/A Coarse Thread
Unit of Measure
1