ESNA specializes in manufacturing high quality internally threaded self-locking aerospace fasteners. Our diverse production expertise allows us to deliver a broad product portfolio, and our responsiveness to customer needs makes us the industry choice.

SPS & ESNA Aerospace locknuts for virtually every requirement. Since 1903, SPS Technologies has consistently provided stronger, more reliable fasteners for more and more demanding applications. Our commitment to quality, reliability and advanced technology has distinguished SPS from our competitors. From the

Our famous is synonymous with durability, reliability, customer value and the highest quality. With over 46,000 individual part numbers, ESNA is also the world’s largest producer of custom designed, tight tolerance bushings to the major OEM’s.

ESNA® ALL -METAL ELLIPTICALLY DEFORMED TYPE—A reduced height, thin walled, light weight series of Elastic Stop® nuts incorporates an elliptically deformed locking device in the upper portion of the nut body.

The extensive ESNA line includes standards, high tensile, extra thin and Military approved, designed for the most difficult fastening applications. ESNA has also created full lines of miniaturized self-locking parts for the electronic industry.

ESNA supplies a wide range of nylon insert lock nuts, all-metal lock nuts, precision bushings, fasteners and special products for commercial aerospace and military markets.

Esna as manufacturer . Countersunk 6 impressed deltas on countersu k Fall River Mfg co, Inc 1075 Airport Rd Fall River, MA 02722 Nut & Washer Assy. Fastening Co, Inc Price & Pine Sts Holmes, PA 19043 FPC Fastening PFoducts of Lancaster, Inc 933 E, Orange St Lancaster, PA 17602 No mark.

concept of frequent applications for ESNA was extended to all TA programs including frequent reapplications for recurring assistance except payment for utility arrears in a series of Welfare Reform questions and answers released by a "Dear IM Directors" letter of January 29, 1998.

Also known as: Esna/Harvard, MacLean/Esna. Products include: Fasteners, bushings, machined parts.

ESNA has the ability to provide precision screw machine products to your specifications. Characteristics such as shape, material, finish, strength, weight and temperature limits, can be provided in the wide range of ESNA available parts.