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 2925-00-196-9003
NSN 5950-01-629-4167
NSN 6645-01-160-4256
NSN 6620-01-011-3449
NSN 6130-01-028-1308
NSN 5996-01-499-9749
NSN 6130-01-184-9216
NSN 5975-00-394-2545
NSN 5985-01-079-8824
NSN 6110-01-137-7981
NSN 4140-01-631-1896
NSN 5915-01-173-2904