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 5975-01-547-3359
NSN 7035-01-555-8793
NSN 6150-01-609-4805
NSN 5935-01-236-4236
NSN 6130-00-222-3907
NSN 5975-00-244-0706
NSN 6685-01-359-9166
NSN 5905-01-472-2027
NSN 6240-00-357-7976
NSN 6240-01-550-8991
NSN 4140-00-807-8393
NSN 5855-00-185-1560