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 5965-01-558-3425
NSN 5925-00-594-0840
NSN 5935-00-397-2224
NSN 6145-01-097-5948
NSN 5855-01-252-5424
NSN 5996-01-017-1309
NSN 5985-00-399-1174
NSN 5945-01-544-8982
NSN 5925-00-564-3895
NSN 5998-01-495-0855
NSN 6145-01-078-2458
NSN 5965-01-194-3453