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 6150-00-814-5905
NSN 5855-01-571-1557
NSN 5895-01-652-5929
NSN 6220-01-288-0416
NSN 6240-01-560-3370
NSN 6110-00-323-0289
NSN 5999-01-107-6440
NSN 5985-01-343-3732
NSN 5925-01-447-7220
NSN 6145-01-318-3356
NSN 5935-01-598-2272
NSN 5835-00-553-3575