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 5998-01-397-5076
NSN 6220-00-838-2231
NSN 2925-01-257-6225
NSN 6240-01-500-2152
NSN 5996-01-649-2142
NSN 6240-01-480-2176
NSN 5975-01-281-5268
NSN 6150-01-325-8575
NSN 5960-00-543-1956
NSN 5910-00-923-8743
NSN 6220-01-051-0363
NSN 6130-01-337-6194