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 6150-01-607-0663
NSN 6130-01-608-7409
NSN 6610-00-222-4108
NSN 5965-00-247-0727
NSN 5999-00-644-9767
NSN 5965-00-043-3463
NSN 5910-00-877-3773
NSN 6240-00-031-3112
NSN 5999-00-788-6996
NSN 5925-00-549-9824
NSN 5935-00-573-7799
NSN 5985-01-135-3944