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 6320-01-426-1324
NSN 5855-01-492-9795
NSN 5960-01-292-0027
NSN 6645-01-341-8027
NSN 5920-00-716-9838
NSN 6320-01-205-8399
NSN 5998-01-392-4981
NSN 5990-01-419-0661
NSN 6645-00-953-4170
NSN 6145-01-442-6436
NSN 5905-00-937-1641
NSN 5915-01-331-8695