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 5996-01-149-8835
NSN 6610-00-124-9525
NSN 7035-01-432-2424
NSN 5975-01-532-5412
NSN 2925-01-455-2558
NSN 5998-00-320-0782
NSN 6135-01-430-3119
NSN 5950-00-248-4992
NSN 5965-00-207-9696
NSN 6105-01-429-8546
NSN 5985-01-580-8957
NSN 5965-01-591-4486