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 5855-01-180-5369
NSN 5965-00-223-6354
NSN 6650-00-241-0970
NSN 6110-00-589-9905
NSN 6620-01-544-1083
NSN 6610-00-018-5141
NSN 6645-00-960-6594
NSN 2925-01-101-4655
NSN 6610-00-798-8562
NSN 5905-00-267-9551
NSN 6130-01-575-5033
NSN 5960-01-171-0263