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 5915-01-555-7677
NSN 6240-01-468-6408
NSN 5915-01-525-4083
NSN 6110-01-324-4537
NSN 6145-01-391-8698
NSN 5996-01-064-6969
NSN 5998-00-596-8869
NSN 5999-00-932-3690
NSN 5985-00-229-4730
NSN 6110-00-025-0038
NSN 6650-01-029-2995
NSN 5945-01-571-8551