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 5996-01-299-2122
NSN 5945-00-142-9690
NSN 6130-01-479-3818
NSN 6130-00-592-5800
NSN 6110-01-295-5322
NSN 5915-00-951-5831
NSN 6645-01-338-9152
NSN 5945-00-597-5722
NSN 6130-01-545-6605
NSN 5910-00-019-0709
NSN 6220-01-515-7586
NSN 6110-01-355-8083