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 5835-01-552-7135
NSN 6240-00-266-6258
NSN 6620-00-562-6337
NSN 6320-01-019-1028
NSN 6150-00-133-8515
NSN 6685-00-811-0814
NSN 5965-00-330-9672
NSN 5835-01-317-4840
NSN 5855-01-273-0927
NSN 6685-01-472-8067
NSN 5965-01-105-4194
NSN 7035-00-131-8219