The Monadnock Company Self Locking Nuts

Aircraft Fasteners stocks the broadest range of self-locking nuts in the industry.  One of our primary locknut manufacturers is The Monadnock Company.

• Monadnock self-locking nuts are available in the following series: MS21042, MS21043, NAS 1291, NA0033 and NA0034.
• Monadnock Self-locking nuts are a reliable, competitively-priced alternate source of supply.
• Monadnock’s self-locking nuts are available in a wide range of sizes, special configurations, inch and metric threads, materials and finishes.
• Monadnock’s Quality System is approved to ISO 9001.

We are authorized distributors of Monadnock products. Please contact us for assistance with your needs.