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 6320-01-492-0243
NSN 6650-00-515-6002
NSN 6130-01-389-3576
NSN 5945-01-508-2075
NSN 6130-01-625-7998
NSN 5895-01-325-3372
NSN 5998-01-646-3580
NSN 7035-00-225-6499
NSN 6130-01-369-0070
NSN 6645-01-451-9735
NSN 5945-01-259-6484
NSN 6145-01-309-4370