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 5965-01-193-0420
NSN 5960-00-586-5292
NSN 4140-01-451-4955
NSN 5905-01-442-3473
NSN 6620-00-811-7614
NSN 6110-01-047-5078
NSN 6135-01-654-5642
NSN 6220-01-548-6360
NSN 5910-01-609-1393
NSN 6620-01-477-3720
NSN 5998-00-101-0684
NSN 6110-00-459-4217