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 5999-01-188-2685
NSN 5925-01-505-3478
NSN 6645-00-350-8070
NSN 6620-01-331-3490
NSN 5950-01-086-0851
NSN 6145-00-553-8196
NSN 5925-01-323-5354
NSN 6150-01-427-3764
NSN 6135-01-413-4747
NSN 6610-00-553-5103
NSN 6220-00-260-1711
NSN 5990-01-463-2279