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 5996-01-263-1969
NSN 5910-01-170-4424
NSN 5996-01-463-8197
NSN 6220-00-171-8638
NSN 5996-01-391-7403
NSN 5950-01-305-1821
NSN 5999-01-517-7842
NSN 5965-01-461-2850
NSN 5920-01-198-1526
NSN 5920-01-284-9038
NSN 4140-00-686-4894
NSN 7035-01-339-5480