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 5915-01-421-5379
NSN 5945-01-200-8520
NSN 5950-01-123-0206
NSN 5905-01-407-4594
NSN 5915-01-502-6623
NSN 5999-01-233-4308
NSN 6110-00-257-1446
NSN 6145-01-318-6720
NSN 5855-00-991-0096
NSN 5999-01-641-7492
NSN 6135-01-595-9328
NSN 6320-01-228-2380