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 7035-01-227-7492
NSN 5998-01-585-8083
NSN 5975-01-051-3742
NSN 5935-01-216-0410
NSN 6240-00-897-1209
NSN 5945-01-660-0718
NSN 5925-00-494-2874
NSN 5910-01-370-4823
NSN 5925-01-520-4211
NSN 5905-01-229-1380
NSN 5990-01-364-0813
NSN 5999-01-510-9408