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 5920-01-610-8905
NSN 6135-01-260-7180
NSN 5998-00-515-2252
NSN 6320-01-111-8851
NSN 5950-01-131-2132
NSN 6135-01-230-4399
NSN 6685-01-394-4984
NSN 5920-01-121-6056
NSN 5920-00-049-7835
NSN 4140-01-391-6070
NSN 6685-01-207-6002
NSN 5965-01-365-7470