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 6130-00-383-0537
NSN 6685-01-348-8254
NSN 5996-01-148-1252
NSN 6105-01-089-9143
NSN 6240-01-409-2465
NSN 5965-01-645-3875
NSN 5930-00-541-7795
NSN 5999-01-339-9756
NSN 5996-00-421-7648
NSN 6130-00-172-7523
NSN 5925-01-578-8889
NSN 6135-00-444-1402