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

ALMA's Mission

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

Our Members

Howmet Fastening Systems

ESNA

Shur-Lok Company

Click Bond Inc.

The Young Engineers, Inc.

Lisi Aerospace

Bristol Industries

Products


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