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 6320-01-465-2028
NSN 5910-01-503-4769
NSN 6650-01-217-0303
NSN 6220-00-812-0515
NSN 2925-01-528-7333
NSN 5999-01-347-5028
NSN 6105-00-665-8581
NSN 5999-01-118-3975
NSN 5965-00-954-3011
NSN 6240-01-027-7533
NSN 7035-01-570-1095
NSN 5996-01-538-9357