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 6110-00-260-0130
NSN 6150-00-202-9150
NSN 5960-01-515-4791
NSN 6610-01-216-9542
NSN 5835-01-580-0446
NSN 5855-01-213-9076
NSN 5965-01-123-3770
NSN 5975-01-370-4455
NSN 7035-01-541-6900
NSN 6220-01-423-9491
NSN 5999-00-249-9339
NSN 5990-01-423-8189