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 6645-01-331-5674
NSN 2925-00-144-6405
NSN 5935-01-399-5451
NSN 5965-01-521-4452
NSN 5905-01-269-1094
NSN 5960-01-599-9821
NSN 6150-00-265-7799
NSN 5935-01-544-5930
NSN 6145-00-988-6906
NSN 5915-01-111-9376
NSN 5905-01-411-6204
NSN 6650-00-170-5095