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 6220-01-207-8068
NSN 6145-01-506-3455
NSN 6150-01-416-1751
NSN 6610-00-232-1533
NSN 5905-01-359-8097
NSN 6620-01-399-3615
NSN 7035-00-946-2642
NSN 5855-01-498-4949
NSN 5998-01-295-4809
NSN 5975-01-336-9956
NSN 6645-00-595-5431
NSN 6645-01-033-5051