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 5855-00-610-4052
NSN 5945-01-541-0343
NSN 5905-01-275-6496
NSN 5960-01-564-5044
NSN 6135-01-582-5987
NSN 5915-01-314-7379
NSN 5960-01-167-6480
NSN 6105-01-294-4484
NSN 5965-01-020-4104
NSN 6145-00-155-5297
NSN 5960-00-960-6805
NSN 5925-01-048-7485