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 5935-00-866-9765
NSN 5945-01-025-5956
NSN 4140-00-633-6170
NSN 5990-01-429-6211
NSN 5990-01-285-1128
NSN 5905-01-498-5227
NSN 6610-00-518-4919
NSN 2925-01-030-6580
NSN 7035-00-055-9778
NSN 6685-00-276-1308
NSN 5999-01-193-5374
NSN 7035-01-624-1595