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 5910-01-595-7670
NSN 4140-01-519-9343
NSN 5950-00-101-9646
NSN 5999-01-365-0766
NSN 5975-01-157-9432
NSN 2925-00-453-4100
NSN 7035-01-194-9482
NSN 6135-01-606-8244
NSN 6220-01-255-3982
NSN 6145-00-445-6504
NSN 6150-00-925-7424
NSN 5905-01-442-7682