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 5895-00-079-2055
NSN 6105-01-413-6995
NSN 2925-01-426-3410
NSN 5910-00-935-9760
NSN 5925-01-372-9001
NSN 6145-00-091-1079
NSN 5915-01-134-1686
NSN 5930-01-519-3128
NSN 6130-01-090-9196
NSN 5960-00-281-0824
NSN 5905-01-140-3737
NSN 6685-01-538-0737