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 6685-01-167-1926
NSN 5960-00-452-6043
NSN 5965-01-268-6375
NSN 5950-00-116-8987
NSN 6135-01-504-4744
NSN 6320-01-021-6633
NSN 6105-01-352-2950
NSN 5930-01-383-5941
NSN 5905-01-294-7105
NSN 5945-00-197-2866
NSN 6110-00-170-6520
NSN 6650-01-564-8053