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 5990-01-050-1102
NSN 6145-01-546-1100
NSN 6110-01-368-7130
NSN 5960-01-548-4896
NSN 7035-01-145-5059
NSN 5835-00-850-1475
NSN 5960-01-458-0774
NSN 6645-01-223-7274
NSN 5990-01-106-3786
NSN 6645-01-267-1868
NSN 6130-01-073-1674
NSN 2925-00-922-8953