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 6240-01-480-2448
NSN 2925-01-364-7926
NSN 6320-00-593-0379
NSN 5920-01-237-5212
NSN 5920-01-372-0225
NSN 6105-01-243-6998
NSN 5985-00-169-3680
NSN 6320-01-435-5991
NSN 5930-00-217-0956
NSN 6685-01-160-7313
NSN 5998-01-500-0889
NSN 5999-00-212-7853