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 5915-01-416-1528
NSN 6150-00-230-4895
NSN 5945-01-352-0663
NSN 5950-01-364-8368
NSN 6145-00-526-3056
NSN 6650-00-485-7962
NSN 5835-00-941-4959
NSN 6650-00-161-4122
NSN 5925-01-321-8829
NSN 5975-01-032-4641
NSN 6135-01-626-6325
NSN 6610-01-527-2395