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 5895-01-080-2846
NSN 5915-01-095-4688
NSN 4140-01-619-6859
NSN 6145-01-591-4161
NSN 2925-01-201-3043
NSN 5990-01-054-4255
NSN 5945-01-379-8249
NSN 5985-01-415-6839
NSN 5999-00-201-0818
NSN 6620-01-210-9002
NSN 5925-00-205-2767
NSN 5950-01-381-5610