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 6110-00-858-1948
NSN 5925-00-632-6098
NSN 5975-00-763-5437
NSN 6240-01-350-7753
NSN 5965-00-285-0745
NSN 7035-01-246-3086
NSN 5990-01-462-1617
NSN 6150-01-612-1909
NSN 6320-00-908-6841
NSN 5985-00-285-8466
NSN 5990-01-487-0871
NSN 5960-00-166-3008