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 5905-01-345-4949
NSN 5965-01-440-9898
NSN 6135-00-944-6953
NSN 5855-01-255-1688
NSN 5925-01-355-5715
NSN 6320-01-078-8257
NSN 6110-00-300-1876
NSN 5998-01-220-1886
NSN 5935-01-204-8625
NSN 6220-01-338-3033
NSN 6145-00-669-6757
NSN 6610-01-018-9122