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 5960-01-653-9441
NSN 5835-01-237-3769
NSN 6650-01-321-0250
NSN 5895-00-851-5798
NSN 6135-01-515-6600
NSN 6650-01-513-2644
NSN 2925-01-107-7939
NSN 6645-01-025-1002
NSN 6135-01-384-3915
NSN 6130-01-079-3712
NSN 5895-01-462-5271
NSN 6650-01-216-2707