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 6110-00-876-1995
NSN 5998-01-389-7877
NSN 5945-00-462-4438
NSN 5920-00-008-1636
NSN 5905-01-332-2608
NSN 5985-01-553-0041
NSN 5855-01-100-3272
NSN 5945-01-599-0083
NSN 5996-01-290-4844
NSN 5945-01-386-6176
NSN 6685-01-106-3210
NSN 5835-00-779-2836