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 5985-01-228-9823
NSN 5996-00-045-8379
NSN 5855-01-466-1588
NSN 5950-00-792-2934
NSN 5895-00-809-4005
NSN 6610-01-283-6739
NSN 5985-00-067-3324
NSN 6685-01-290-0950
NSN 5895-00-438-8477
NSN 7035-00-585-2113
NSN 6620-01-333-7014
NSN 2925-00-428-6349