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 6620-01-401-5356
NSN 5985-01-287-6228
NSN 6240-01-595-6812
NSN 5965-00-801-7410
NSN 5905-01-502-7028
NSN 5950-00-146-4057
NSN 5855-01-093-8202
NSN 5930-01-531-5020
NSN 4140-01-175-0098
NSN 5990-00-070-3006
NSN 5915-00-840-8508
NSN 6610-00-085-2739