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 5925-01-117-0702
NSN 2925-00-684-7708
NSN 5920-01-634-0250
NSN 4140-00-025-3474
NSN 2925-00-800-4685
NSN 5835-00-614-0650
NSN 5960-00-880-9589
NSN 6135-01-585-8174
NSN 5960-01-641-5493
NSN 5945-01-192-3267
NSN 6145-01-130-5416
NSN 6620-01-465-2496