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 5925-01-268-5275
NSN 6145-01-172-5630
NSN 6650-01-444-0551
NSN 5965-01-444-3098
NSN 6240-01-423-1335
NSN 5990-01-108-7785
NSN 5999-00-141-0291
NSN 5935-00-238-5935
NSN 5998-00-923-8437
NSN 6130-00-518-7604
NSN 5945-00-061-6246
NSN 5999-01-354-2540