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 6320-01-631-7828
NSN 5905-00-759-6070
NSN 6685-01-121-6892
NSN 5935-00-800-3971
NSN 5835-00-168-4258
NSN 5905-01-341-9439
NSN 5965-01-399-7851
NSN 5990-01-048-9536
NSN 6645-01-391-6492
NSN 5930-01-234-7215
NSN 5945-01-486-5541
NSN 5945-01-648-4778