not shown for example lower end 16 includes threads 18 for matingly engaging another component such as a packer not shown as shown in fig2 a upper end 14 also includes threads 18 for attachment to a blow out preventer diverter christmas tree riser tubing casing or other piece of equipment the outer wall surface 24 of mandrel 12 includes a plurality of slip pockets 26 a plurality of spring slots 28 piston housing 30 and ring threads 32 as shown in fig1 a 2 b 3 a 3 d 5 and 6 piston housing 30 is disposed between spring slots 28 each slip pocket 26 is designed to receive a slip 70 each spring slot 28 is designed to receive a spring 36 and ring threads 32 are for securing spring adjustment sleeve 38 by sleeve adjustment ring 40 having threads 41 spring adjustment sleeve 38 is a cylindrical housing having an inner diameter that fits snuggly over spring slots 28 and piston housing 30 on the inner surface of spring adjustment sleeve 38 is shoulder 37 for seating against one end of each spring slot 28 and thus one end of each spring 36 disposed in each spring slot 28 during assembly of liner hanger 10 after slips 70 and slip housing 60.