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 5960-01-431-4291
NSN 6620-01-321-5514
NSN 5990-00-170-4239
NSN 2925-01-189-4272
NSN 5996-01-612-3403
NSN 6145-01-298-3151
NSN 6135-00-968-8594
NSN 6645-01-651-0911
NSN 5910-01-025-6563
NSN 5920-00-879-0466
NSN 5945-01-153-7624
NSN 5835-01-426-4826