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 6685-00-684-7891
NSN 5990-01-322-9781
NSN 5945-00-147-2068
NSN 6145-01-428-7754
NSN 6135-01-265-1384
NSN 6220-00-038-1712
NSN 5998-00-364-7836
NSN 5925-01-392-9977
NSN 5950-01-398-9557
NSN 6110-00-678-1954
NSN 5996-00-892-7828
NSN 6145-01-554-8686