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 5998-01-501-6335
NSN 5895-00-912-4745
NSN 5835-01-221-6751
NSN 5965-01-241-9865
NSN 6220-00-007-5973
NSN 5990-01-368-2604
NSN 6620-00-248-6950
NSN 2925-01-440-7617
NSN 5905-01-345-2987
NSN 5895-01-076-4204
NSN 5998-01-575-4191
NSN 5998-00-184-0949