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 5915-01-589-7247
NSN 6685-00-228-6983
NSN 5965-00-419-9590
NSN 5965-01-234-6844
NSN 5930-01-651-8321
NSN 6650-00-977-7533
NSN 5915-01-500-6499
NSN 5905-01-276-4666
NSN 6110-01-239-3128
NSN 4140-00-111-3247
NSN 5998-01-621-1507
NSN 6240-00-266-6258