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 5985-00-021-6452
NSN 6130-01-634-0603
NSN 5855-01-453-1549
NSN 5905-01-171-8661
NSN 5985-00-598-4707
NSN 5910-01-529-3291
NSN 5950-01-645-8814
NSN 6645-01-376-2336
NSN 5999-00-262-0828
NSN 5975-01-545-5586
NSN 5905-01-012-0734
NSN 5910-01-168-9894