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 5915-01-310-4221
NSN 6145-01-619-8280
NSN 5920-00-904-3727
NSN 5895-00-202-0229
NSN 5999-01-294-9897
NSN 5855-01-111-3962
NSN 6130-01-074-1818
NSN 5935-01-443-2429
NSN 6320-00-313-9114
NSN 5905-01-470-3935
NSN 6320-01-449-1014
NSN 5925-01-105-5254