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 7035-01-387-0338
NSN 6685-01-534-3372
NSN 6645-01-317-6071
NSN 5990-00-269-2226
NSN 5965-00-243-9496
NSN 2925-00-211-4761
NSN 2925-01-588-3507
NSN 6320-01-322-1310
NSN 6105-01-190-5507
NSN 5905-01-381-9460
NSN 5905-01-414-0052
NSN 6130-00-947-9232