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 6130-01-055-6846
NSN 5975-01-199-5343
NSN 5950-01-618-7451
NSN 5905-01-297-0836
NSN 5925-00-919-8683
NSN 4140-01-519-3349
NSN 5895-01-199-0147
NSN 6610-01-468-0679
NSN 5895-01-653-8495
NSN 6320-01-600-5808
NSN 5996-01-014-6103
NSN 5835-01-354-0566