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 6130-00-393-0645
NSN 5905-01-552-5038
NSN 5996-00-722-4944
NSN 5895-00-518-1593
NSN 7035-00-215-3272
NSN 6145-01-313-6778
NSN 5905-01-180-3836
NSN 6135-01-357-0621
NSN 6620-01-324-7809
NSN 2925-00-005-1618
NSN 6645-01-123-9277
NSN 6220-01-656-0021