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 6150-01-163-2024
NSN 4140-01-258-9526
NSN 5925-00-606-1745
NSN 5960-01-294-2397
NSN 5950-00-004-7738
NSN 6650-01-199-0570
NSN 6240-00-760-3713
NSN 6645-01-218-5234
NSN 5975-01-202-6884
NSN 5965-01-599-8180
NSN 2925-01-199-7394
NSN 5855-01-068-3683