A circular, single or multipiece item, metallic or nonmetallic in composition, designed to be fitted in a circumferential groove in a piston and to spring outward against the cylinder wall to function as a seal or wiper. It is supplied in various cross-sectional shapes and is cut through at one point to allow for installation in the piston ring groove. It may include an expander. Excludes packing, preformed; retainer, oil seal; retainer, packing; ring, retaining; ring wiper; and seal ring, metal.
Classification: Parts nesoi, of compressors other than refrigerating and air conditioning compressors
NSN 5960-01-360-4107
NSN 5915-01-100-3652
NSN 6240-00-274-4028
NSN 5985-01-403-2835
NSN 5985-01-556-4421
NSN 5990-01-160-6978
NSN 6645-01-400-1137
NSN 5950-00-938-4962
NSN 5855-01-389-8884
NSN 5905-00-259-5229
NSN 6685-01-500-3748
NSN 6145-00-405-9819