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 5975-00-009-2725
NSN 5920-01-657-9624
NSN 5910-01-222-0575
NSN 4140-00-814-5987
NSN 5925-01-595-9800
NSN 5945-00-114-0597
NSN 5920-01-463-3525
NSN 5935-01-183-3422
NSN 6130-01-203-4380
NSN 5985-00-067-6750
NSN 2925-01-127-0167
NSN 6220-00-353-5730