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 2925-00-740-7029
NSN 5975-01-227-9930
NSN 5965-01-459-8203
NSN 5920-01-429-9947
NSN 6220-00-930-5678
NSN 6105-01-382-9690
NSN 5855-01-426-5589
NSN 6145-01-169-0759
NSN 5905-00-822-9695
NSN 5895-01-212-9574
NSN 5915-00-553-8755
NSN 5950-01-371-2911