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 4140-01-378-6710
NSN 2925-00-439-6870
NSN 6220-01-135-8998
NSN 5855-01-341-7320
NSN 5925-01-365-5442
NSN 6240-00-633-1243
NSN 6145-00-985-3284
NSN 4140-01-578-6703
NSN 2925-01-471-4912
NSN 4140-01-345-4212
NSN 6130-01-106-2182
NSN 5975-01-068-0656