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 6240-01-644-1531
NSN 5855-00-014-5008
NSN 5950-00-735-8827
NSN 6150-00-339-1336
NSN 5910-01-441-1871
NSN 6105-00-505-6864
NSN 5930-00-413-5143
NSN 6150-00-583-0151
NSN 6610-01-325-2585
NSN 6685-00-371-5492
NSN 5925-00-056-4635
NSN 5985-01-516-0478