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 6645-00-285-8781
NSN 5965-01-183-7722
NSN 6645-01-605-1485
NSN 5945-00-106-8460
NSN 6130-01-349-7661
NSN 5910-01-529-4844
NSN 5990-01-432-4249
NSN 5910-00-376-9768
NSN 6105-00-275-0826
NSN 5996-00-288-1829
NSN 4140-00-728-3097
NSN 6135-01-056-4609