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 5855-00-797-8217
NSN 6650-01-633-9147
NSN 5985-01-449-2992
NSN 5895-01-585-1696
NSN 6150-00-085-0094
NSN 5960-01-013-9346
NSN 6145-01-023-5532
NSN 5999-01-328-8692
NSN 6685-01-535-6200
NSN 6150-01-449-4178
NSN 5905-01-226-5280
NSN 5930-01-152-5268