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 5930-01-157-9501
NSN 5905-01-129-6538
NSN 2925-01-264-5256
NSN 5910-00-953-5128
NSN 5990-01-485-0260
NSN 7035-00-238-3662
NSN 5835-01-191-3405
NSN 5965-01-258-5662
NSN 6110-01-192-4904
NSN 2925-01-065-0060
NSN 5835-01-174-7700
NSN 6240-00-272-8601