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 6130-01-380-0482
NSN 6620-00-844-4363
NSN 5945-01-328-3276
NSN 5975-01-644-9360
NSN 5950-00-190-7282
NSN 5960-01-287-4187
NSN 5895-01-099-1515
NSN 5915-01-027-3229
NSN 6650-01-278-6645
NSN 5950-01-346-6075
NSN 7035-00-884-8366
NSN 5925-01-500-5407