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 5975-01-299-8741
NSN 5998-01-010-1465
NSN 4140-01-160-8106
NSN 6645-01-270-6806
NSN 5915-00-080-1606
NSN 6110-01-419-4351
NSN 5855-00-014-5008
NSN 5920-00-617-9909
NSN 7035-01-422-4642
NSN 5855-00-933-9978
NSN 5965-01-287-7235
NSN 2925-01-519-6726