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 6610-01-434-0289
NSN 6685-00-023-1799
NSN 6610-00-451-8840
NSN 6105-01-574-6423
NSN 5950-00-815-1058
NSN 5895-00-083-5370
NSN 5855-01-100-3272
NSN 5965-01-100-3878
NSN 5998-01-378-7104
NSN 6620-00-199-8734
NSN 5950-01-471-8138
NSN 6145-00-261-8202