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 5999-01-027-1252
NSN 5999-01-458-1166
NSN 6145-01-408-6467
NSN 5920-00-892-9834
NSN 5998-01-359-6291
NSN 6220-01-093-6723
NSN 6320-01-039-5891
NSN 5935-01-353-2963
NSN 5960-00-529-2704
NSN 6220-01-118-3641
NSN 6150-01-255-1689
NSN 5855-00-916-2236