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 6240-01-261-4958
NSN 5915-00-180-1378
NSN 5965-01-170-4425
NSN 6130-01-322-8265
NSN 5895-00-921-4012
NSN 4140-01-351-3892
NSN 6650-00-170-5095
NSN 5998-00-309-0850
NSN 6130-01-492-9833
NSN 6685-00-155-4301
NSN 5910-00-734-7234
NSN 6685-01-222-0141