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 7035-01-238-9301
NSN 5999-01-162-7759
NSN 4140-01-478-6496
NSN 6610-00-208-5318
NSN 2925-01-087-9290
NSN 5985-01-415-0274
NSN 5965-01-168-8180
NSN 6130-01-242-9778
NSN 5965-01-415-2898
NSN 6650-00-112-8361
NSN 4140-00-605-0396
NSN 6685-01-206-4974