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 5915-00-202-5192
NSN 5960-01-367-6153
NSN 6105-01-480-3214
NSN 7035-01-413-6697
NSN 5985-00-151-4459
NSN 5945-01-163-8683
NSN 6650-01-068-3687
NSN 5925-01-265-4679
NSN 6130-01-435-9241
NSN 5920-01-474-0063
NSN 6685-01-164-1218
NSN 6620-00-330-3728