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 5935-01-137-1652
NSN 6110-00-568-1431
NSN 5985-01-575-0251
NSN 6610-00-420-3089
NSN 5910-01-257-4426
NSN 5975-00-078-4336
NSN 2925-01-448-2880
NSN 6110-00-465-2375
NSN 6135-01-430-3119
NSN 6685-01-618-6690
NSN 5905-01-014-7101
NSN 6240-00-886-6615