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 5905-01-406-6007
NSN 5960-00-021-5618
NSN 5910-00-716-6645
NSN 5990-00-263-1289
NSN 5965-01-079-7939
NSN 5975-01-565-3786
NSN 2925-00-853-5039
NSN 5905-00-305-0172
NSN 6220-01-604-3308
NSN 6610-01-249-3243
NSN 5930-00-396-3684
NSN 5915-00-695-1931