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 6105-01-575-1095
NSN 5975-00-596-4716
NSN 2925-01-594-5385
NSN 5990-00-582-0342
NSN 4140-01-515-2722
NSN 5935-01-386-3168
NSN 5998-01-142-4372
NSN 5910-01-034-9458
NSN 6150-01-187-8473
NSN 6145-00-620-5922
NSN 4140-01-517-3179
NSN 6650-00-826-7396