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 5985-01-629-9603
NSN 7035-00-978-7837
NSN 5925-01-311-8707
NSN 6135-01-574-6577
NSN 5950-00-336-9088
NSN 5998-01-082-9002
NSN 6150-01-215-6005
NSN 6320-00-646-3311
NSN 5945-01-497-5984
NSN 5950-01-612-9932
NSN 5998-01-044-3930
NSN 5925-01-523-4838