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 6110-01-229-2486
NSN 5950-01-060-6011
NSN 5990-01-034-8211
NSN 5950-01-412-6905
NSN 5990-00-165-9195
NSN 5925-01-209-2768
NSN 6105-00-291-0154
NSN 6610-00-489-9730
NSN 2925-01-283-6740
NSN 5905-00-168-4589
NSN 6110-01-595-5827
NSN 7035-01-413-2018