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 5905-01-235-4569
NSN 5835-00-553-3575
NSN 6145-01-270-5485
NSN 5895-00-952-1703
NSN 6320-00-809-5744
NSN 5975-01-144-0346
NSN 5960-00-901-4908
NSN 5999-00-491-8197
NSN 5998-00-005-3267
NSN 5960-01-279-2589
NSN 6150-01-318-2996
NSN 2925-00-463-7319