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 6320-01-276-4739
NSN 6685-00-410-6391
NSN 5998-00-551-8450
NSN 5915-01-267-7199
NSN 7035-01-648-8510
NSN 5985-00-692-1550
NSN 5925-00-867-9928
NSN 6650-01-491-0098
NSN 2925-01-370-6898
NSN 5950-01-596-5787
NSN 6685-01-396-7599
NSN 5950-01-125-2059