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 5985-01-609-5342
NSN 5998-01-433-2531
NSN 6620-01-651-5425
NSN 6645-00-542-1734
NSN 5920-00-201-4914
NSN 6220-00-111-0921
NSN 6320-01-352-5653
NSN 6620-01-606-2002
NSN 6145-00-980-0349
NSN 6620-00-740-3699
NSN 6620-00-784-9747
NSN 5965-01-289-6436