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 5935-00-701-5029
NSN 6240-01-243-4106
NSN 5975-01-574-4507
NSN 5950-00-868-4427
NSN 2925-00-295-8109
NSN 6645-01-577-7932
NSN 5925-01-129-7623
NSN 5998-01-579-2998
NSN 5910-01-323-2305
NSN 5990-01-219-9018
NSN 5998-01-519-8602
NSN 6130-00-285-8119