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 5985-00-269-5388
NSN 6220-01-385-3485
NSN 6240-00-271-5995
NSN 6145-01-541-6337
NSN 6320-00-931-4855
NSN 6620-00-980-8046
NSN 5855-01-461-8169
NSN 5985-01-062-1636
NSN 5975-00-116-0803
NSN 6685-01-218-5258
NSN 6645-00-242-0480
NSN 5855-01-602-3437