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 6150-00-100-1302
NSN 6220-01-446-6430
NSN 5835-00-498-1551
NSN 6145-00-935-5242
NSN 5990-01-649-4647
NSN 6610-01-461-1644
NSN 5975-01-176-9007
NSN 5905-01-391-1235
NSN 5999-01-494-3352
NSN 4140-01-412-1566
NSN 5990-00-043-4048
NSN 6145-00-763-4430