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 5920-01-327-2574
NSN 5985-01-076-2805
NSN 5855-01-562-2135
NSN 6150-00-050-9744
NSN 5950-00-226-1691
NSN 5965-01-015-5885
NSN 6650-01-386-5787
NSN 6240-01-633-9357
NSN 5945-01-565-3446
NSN 6130-00-277-7321
NSN 5905-00-481-1405
NSN 5925-00-584-7189