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 6685-01-202-8900
NSN 6130-01-338-3007
NSN 5975-01-146-0148
NSN 6650-01-114-6019
NSN 6145-01-521-6685
NSN 5905-01-058-7622
NSN 5945-01-440-1185
NSN 5996-00-383-6173
NSN 6110-01-590-0895
NSN 5990-01-094-7740
NSN 6110-01-396-7693
NSN 7035-00-541-8516