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 5975-01-650-4042
NSN 5965-01-036-1325
NSN 6320-01-054-3046
NSN 5975-00-364-5010
NSN 6685-00-466-0723
NSN 5950-01-146-4329
NSN 2925-01-361-5310
NSN 5985-01-435-0276
NSN 6240-01-184-6831
NSN 5985-00-948-8913
NSN 5945-00-491-4820
NSN 5998-01-651-9928