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 6220-01-185-5545
NSN 5950-00-137-2301
NSN 6685-01-459-1979
NSN 6645-01-144-1431
NSN 5950-00-998-7579
NSN 5925-01-041-1191
NSN 6645-01-572-4475
NSN 6145-01-519-6280
NSN 5965-00-888-2643
NSN 6150-00-869-4681
NSN 6650-01-293-5557
NSN 5996-00-186-8709