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 5925-01-223-2754
NSN 6685-01-497-4215
NSN 5925-00-022-5632
NSN 5945-01-609-5671
NSN 5990-01-254-2936
NSN 5996-01-100-2377
NSN 6650-00-754-2276
NSN 6645-01-512-6760
NSN 6650-01-608-7017
NSN 5990-01-586-8202
NSN 6110-01-209-9964
NSN 6105-00-090-3243