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 6220-01-157-7173
NSN 5925-00-343-6747
NSN 6135-01-066-6904
NSN 6650-01-136-7891
NSN 5998-01-656-5226
NSN 7035-01-326-0868
NSN 2925-01-554-5246
NSN 6130-01-511-2912
NSN 5905-00-111-3618
NSN 5999-00-894-3260
NSN 5930-01-605-7250
NSN 5945-01-500-1904