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 5975-01-055-5630
NSN 5996-01-061-6894
NSN 6220-01-045-6265
NSN 4140-01-450-3823
NSN 5998-00-617-3472
NSN 5965-00-226-7870
NSN 4140-00-274-9638
NSN 5920-01-545-7684
NSN 6135-00-715-4001
NSN 6110-01-050-8119
NSN 6620-00-400-1099
NSN 5950-00-694-6436