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 6150-01-003-1054
NSN 5999-01-659-0603
NSN 5998-00-165-3862
NSN 5998-00-932-0537
NSN 5965-00-897-0618
NSN 5960-01-283-3467
NSN 5945-01-555-5509
NSN 6240-00-289-7059
NSN 5905-01-055-7701
NSN 5895-01-146-3262
NSN 5998-00-020-3403
NSN 5960-00-153-4669