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 5895-01-544-8046
NSN 6645-00-909-2143
NSN 5965-00-798-0318
NSN 6150-01-112-7749
NSN 5996-00-549-4258
NSN 5925-01-611-2749
NSN 6645-00-928-7208
NSN 5965-00-400-6228
NSN 6645-01-004-7768
NSN 5998-01-506-2663
NSN 5975-00-221-2555
NSN 5945-01-455-2140