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 6150-01-473-2589
NSN 6220-00-539-0095
NSN 5910-01-541-5046
NSN 2925-00-111-4097
NSN 5910-01-174-7488
NSN 6130-00-126-5960
NSN 6135-01-528-6896
NSN 5945-01-209-6564
NSN 6620-01-313-3755
NSN 7035-00-946-2642
NSN 6105-01-056-5258
NSN 6685-01-299-7188