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 5910-01-217-4021
NSN 5930-01-535-7121
NSN 5998-00-568-1849
NSN 5905-00-618-1611
NSN 6145-01-192-8973
NSN 5985-01-411-3050
NSN 4140-01-539-5410
NSN 5996-01-581-0302
NSN 5965-01-386-2988
NSN 6145-01-534-9425
NSN 2925-01-446-6523
NSN 6220-00-149-0977