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 4140-01-516-6207
NSN 6110-01-476-7742
NSN 6650-01-265-0650
NSN 5945-00-619-3553
NSN 5965-01-372-7272
NSN 6650-01-202-0596
NSN 5975-01-284-7047
NSN 5925-00-636-5683
NSN 5985-01-272-8974
NSN 6620-01-265-0632
NSN 5910-01-196-6153
NSN 5925-00-245-3391