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 6645-01-025-1002
NSN 5965-00-989-9345
NSN 6685-00-404-7846
NSN 5975-01-607-9828
NSN 6240-01-152-9015
NSN 5996-01-615-4356
NSN 6220-01-415-5698
NSN 6610-01-590-5243
NSN 7035-01-632-7859
NSN 5855-01-105-7793
NSN 5998-00-314-9638
NSN 6610-01-171-0849