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 6145-01-330-6794
NSN 5950-00-024-8786
NSN 6685-01-143-0199
NSN 5975-00-007-5141
NSN 5998-00-839-6472
NSN 5999-01-271-3405
NSN 5910-01-258-3497
NSN 5985-01-307-1374
NSN 6105-00-487-5981
NSN 5965-00-787-3028
NSN 5895-01-542-3570
NSN 6240-01-485-0008