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 5985-01-086-5347
NSN 5998-01-604-3436
NSN 6130-01-545-7433
NSN 4140-00-993-6128
NSN 5996-01-119-2720
NSN 6610-00-042-8461
NSN 6145-01-382-7856
NSN 5999-01-204-0952
NSN 2925-01-354-1752
NSN 5999-01-230-0813
NSN 5990-01-467-7575
NSN 5975-00-952-1791