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 5855-00-107-7993
NSN 5855-01-272-3660
NSN 5930-01-153-9067
NSN 5855-01-346-7682
NSN 5996-01-343-7024
NSN 5855-00-287-5870
NSN 6240-01-444-1673
NSN 5975-01-653-4595
NSN 5935-00-535-0667
NSN 5925-00-163-2096
NSN 6685-01-573-9994
NSN 6150-01-322-9901