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 6110-01-432-1344
NSN 2925-01-553-0181
NSN 2925-01-577-0004
NSN 5855-01-141-8227
NSN 5999-00-897-5908
NSN 6320-00-481-7291
NSN 7035-01-381-5411
NSN 6620-01-222-8820
NSN 5950-01-068-3386
NSN 5925-01-093-7558
NSN 5920-00-285-0754
NSN 5915-01-423-8561