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 6320-01-350-5570
NSN 6135-01-153-8027
NSN 6610-01-110-2229
NSN 5910-01-481-0047
NSN 6130-00-596-9565
NSN 6685-01-424-0315
NSN 5855-00-973-5717
NSN 6240-01-380-2127
NSN 5915-00-053-5530
NSN 5975-01-014-2964
NSN 6645-01-329-7446
NSN 6150-01-615-7760