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 5996-01-020-4484
NSN 5975-01-273-0209
NSN 5998-01-158-3535
NSN 2925-00-580-4931
NSN 6150-01-541-9700
NSN 6145-00-007-1620
NSN 5950-01-555-8152
NSN 5990-00-994-0555
NSN 5920-01-657-6238
NSN 6240-01-579-0381
NSN 6145-01-205-5936
NSN 5945-01-478-8515