A21958-1 | GASKET F/B4,B5,A3,A4,A5 F&T | Armstrong International Product Type_Direct Drive Double Shaft ranging from 1/8" to 1-1/4"

ranging from 1/8" to 1-1/4" outer diameter

5/16" Shaft: The 5/16" diameter shaft provides compatibility with various pin sizes

This gas pressure regulator is known for its durability and reliability

the Regal Rexnord Century Motor B837 delivers superior power and efficiency

A21958-1 | GASKET F/B4,B5,A3,A4,A5 F&T | Armstrong International Product Type_Direct Drive Double Shaft ranging from 1/8" to 1-1/4"GASKET F B4,B5,A3,A4,A5 F&T [A21958 1] This Armstrong International Gasket, A21958 1, is designed for use with B4, B5, A3, A4, and A5 F&T models. It plays a critical role in ensuring proper sealing and preventing leaks in various industrial applications. Made with durable materials, this gasket can withstand demanding conditions and provide long lasting performance. Its precise fit and easy installation make it a reliable choice for maintenance and