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 6135-01-177-3552
NSN 5910-00-501-9387
NSN 5960-01-344-2604
NSN 5985-00-903-0779
NSN 6610-01-541-5034
NSN 6645-01-581-9393
NSN 6220-01-384-5297
NSN 5905-01-523-3701
NSN 5915-01-575-4832
NSN 5975-01-411-0466
NSN 5910-00-269-4755
NSN 7035-00-800-0770