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 2925-00-257-2872
NSN 5950-01-058-8240
NSN 5935-01-215-9252
NSN 6105-00-845-6986
NSN 6320-01-622-5493
NSN 5855-01-020-7982
NSN 2925-01-055-9705
NSN 5960-00-865-8969
NSN 5855-00-941-6412
NSN 6220-01-478-4985
NSN 4140-01-206-2397
NSN 5965-00-868-8711