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 6135-01-422-1440
NSN 5965-00-798-3597
NSN 5835-01-291-3201
NSN 6240-01-437-6680
NSN 6150-01-520-6905
NSN 5835-01-653-7806
NSN 6150-01-448-0983
NSN 6685-01-082-1350
NSN 6650-01-181-6037
NSN 5975-01-065-4863
NSN 6220-00-263-4893
NSN 5920-01-158-4517