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 5835-01-616-6131
NSN 5950-01-184-6556
NSN 5950-01-361-7667
NSN 6150-01-330-3627
NSN 5925-00-051-4892
NSN 5910-01-182-8853
NSN 6645-00-391-6264
NSN 6645-01-079-9216
NSN 6110-01-142-2550
NSN 4140-01-647-6963
NSN 5985-01-263-3555
NSN 5925-01-460-2078