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 6135-01-443-4484
NSN 5975-01-417-8807
NSN 2925-01-297-2315
NSN 5960-01-599-4726
NSN 6650-00-773-2030
NSN 6150-01-501-4906
NSN 7035-01-386-3004
NSN 5996-01-239-0385
NSN 6220-01-515-2186
NSN 5935-01-600-0663
NSN 6685-01-595-6905
NSN 6645-00-547-4388