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 5930-00-077-0279
NSN 5975-01-227-4441
NSN 6610-00-891-6370
NSN 5855-01-254-3041
NSN 6645-01-553-8500
NSN 5985-00-258-4976
NSN 5855-01-231-4945
NSN 5930-00-234-0213
NSN 4140-01-630-5755
NSN 5999-01-571-9826
NSN 6650-01-530-0589
NSN 5920-01-011-3377