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 5965-00-234-0219
NSN 5905-01-204-6055
NSN 5915-00-039-5192
NSN 5998-01-526-1920
NSN 5920-01-247-9196
NSN 5855-00-987-1171
NSN 6645-00-244-0359
NSN 6240-01-288-7228
NSN 6150-01-003-0706
NSN 5998-00-044-4756
NSN 6320-00-371-8335
NSN 6145-01-413-3286