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 6685-01-235-1807
NSN 6130-00-196-0618
NSN 5996-01-620-6550
NSN 6135-01-119-0720
NSN 6150-00-554-7591
NSN 5935-01-605-9079
NSN 6150-00-855-9304
NSN 6650-00-078-5773
NSN 5935-01-042-0546
NSN 5925-01-399-5305
NSN 2925-01-660-0669
NSN 5910-00-583-4998