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 5855-01-561-8944
NSN 5925-00-998-1633
NSN 5985-01-073-6536
NSN 5996-01-444-5409
NSN 6320-00-557-3079
NSN 6240-01-111-3394
NSN 5998-01-066-3298
NSN 6685-01-413-9362
NSN 6220-01-661-0976
NSN 5965-00-486-7907
NSN 5925-01-196-4752
NSN 6145-01-454-2444