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 5930-01-188-6454
NSN 5915-01-626-9853
NSN 5998-00-955-2428
NSN 6610-01-544-6551
NSN 6685-01-522-4503
NSN 5945-01-061-7237
NSN 5930-01-448-4073
NSN 6150-00-473-8805
NSN 6220-01-014-7207
NSN 5985-01-571-7959
NSN 5990-01-645-2592
NSN 5950-01-411-5085