The 48-3551-18 from Aries Electronics is a 48-position (2 x 24) DIP ZIF (ZIP) Integrated Circuit socket with 0.3" (7.62 mm) row spacing, a nickel boron finish and through-hole mounting.
The 48-3551-10 from Aries Electronics is a 48-position (2 x 24) DIP ZIF (ZIP) Integrated Circuit socket with 0.3" (7.62 mm) row spacing, tin contacts and through-hole mounting.
The 48-3551-16 from Aries Electronics is a 48-position (2 x 24) DIP ZIF (ZIP) Integrated Circuit socket with 0.3" (7.62 mm) row spacing, a nickel boron finish and through-hole mounting.
The 48-3551-11 from Aries Electronics is a 48-position (2 x 24) DIP ZIF (ZIP) Integrated Circuit socket with 0.3" (7.62 mm) row spacing, gold contacts and through-hole mounting.