The Purchase and Acceptance of Type H-Tightlock Couplers
This specification covers material, purchase, and acceptance requirements for APTA approved Type H Tightlock couplers and their parts, coupler yokes, draft gear followers, radial connection castings, shank pins, yoke pins, bushings and other parts.
|Document Number||Version||Publication Date||Publication||Related Information|
Want to participate in development of this document? Join the Working Group or Learn More