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 5960-00-780-9135
NSN 5935-00-432-3196
NSN 5975-00-044-2101
NSN 5960-01-425-1454
NSN 5895-00-219-9992
NSN 6620-01-287-9975
NSN 7035-01-049-6776
NSN 5996-00-480-8112
NSN 2925-00-233-5644
NSN 6240-01-225-9508
NSN 6240-01-415-3014
NSN 5965-01-168-0150