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 5905-01-388-7572
NSN 6685-01-091-0844
NSN 5985-00-189-2396
NSN 5990-00-722-4719
NSN 5950-01-633-0788
NSN 5975-01-394-5281
NSN 5935-00-124-5263
NSN 5895-00-974-9586
NSN 6130-01-134-2048
NSN 2925-00-242-4516
NSN 6320-00-731-6134
NSN 6130-01-444-1686