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 5910-00-964-7714
NSN 5935-00-448-3146
NSN 5920-00-351-8428
NSN 6645-00-464-6375
NSN 6320-01-160-0416
NSN 5925-01-423-4448
NSN 6610-01-412-0058
NSN 6135-01-090-5365
NSN 4140-00-981-8580
NSN 5950-01-164-6556
NSN 5998-00-573-8728
NSN 5895-01-505-4663