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 5998-00-210-0309
NSN 5950-01-056-6444
NSN 6645-00-570-8472
NSN 5975-00-971-8863
NSN 5915-01-649-7946
NSN 6610-00-225-9886
NSN 6610-00-759-7170
NSN 5905-01-561-5936
NSN 6320-01-449-1014
NSN 6150-01-385-8807
NSN 5975-00-221-7175
NSN 6145-01-419-6050