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 6240-01-426-5581
NSN 5945-00-170-5885
NSN 5855-00-548-4742
NSN 5835-01-249-0275
NSN 5930-00-555-3007
NSN 5915-01-621-6217
NSN 6105-00-466-8622
NSN 5915-00-283-1146
NSN 7035-01-391-3518
NSN 5965-01-477-6665
NSN 6240-01-331-0841
NSN 4140-01-563-5618