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 5925-01-270-7838
NSN 6620-01-028-4755
NSN 6320-00-371-8335
NSN 5965-01-476-6146
NSN 6240-01-642-7282
NSN 5950-01-516-7348
NSN 6135-01-479-9790
NSN 6110-00-816-9715
NSN 6220-00-815-8194
NSN 6110-01-269-8482
NSN 6220-01-587-9932
NSN 5985-00-832-0609