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 6320-01-185-3857
NSN 5985-01-077-0280
NSN 6685-01-234-8996
NSN 5950-00-944-9945
NSN 5910-00-144-4383
NSN 5965-01-073-1014
NSN 5990-01-443-2931
NSN 5905-00-371-0965
NSN 6110-01-548-2156
NSN 5905-00-721-3286
NSN 5945-01-657-0207
NSN 6105-00-342-0671