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 5855-01-542-9059
NSN 5835-01-090-0784
NSN 5915-01-473-7193
NSN 6105-01-168-4858
NSN 6145-00-390-9917
NSN 5990-01-124-9063
NSN 5915-01-354-9787
NSN 7035-01-457-0371
NSN 5965-01-332-9825
NSN 5985-00-569-5849
NSN 5996-01-029-4497
NSN 5910-00-824-5207