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 5855-01-502-9900
NSN 7035-01-230-0250
NSN 5895-00-725-5264
NSN 6320-01-247-0898
NSN 6110-00-238-9636
NSN 6110-00-402-7637
NSN 5990-01-392-5682
NSN 5935-00-192-7163
NSN 5950-01-336-5458
NSN 6150-01-336-8548
NSN 6685-00-283-6107
NSN 5985-01-519-8628