Welcome to ALMA!

The Aircraft Locknut Manufacturers Association® (ALMA) is comprised of the leading North American manufacturers of self-locking nuts for the aerospace industry. The Association works closely with other national and international military and industry technical organizations in developing specifications, standards, and other technical practices.

About Us
Aircraft Locknut Manufacturers Association®  -- ALMA

ALMA's Mission
Member companies control their process of locknut manufacturing to ensure the timely delivery of quality products.

Our Members

Click Bond Inc.
Bristol Industries
Shur-Lok Company
Alcoa Fastening Systems
ESNA
Lisi Aerospace
The Young Engineers, Inc.

Products
Aircraft Locknut Manufacturers Association®  -- ALMA

ALMA identifies product characteristics with the greatest effect on form, fit, and function of self-locking nuts.