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 5990-00-285-1948
NSN 5930-01-233-5179
NSN 5835-00-160-7142
NSN 2925-01-510-2221
NSN 4140-00-371-2269
NSN 5910-00-184-8249
NSN 5996-01-633-7979
NSN 5905-01-241-7601
NSN 5985-01-391-6560
NSN 6685-01-315-9704
NSN 6685-01-212-3691
NSN 5855-01-384-4914