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 2925-01-345-9439
NSN 5945-00-923-4291
NSN 6220-01-589-6532
NSN 5935-01-461-8183
NSN 6130-00-912-0410
NSN 5905-01-498-2712
NSN 5998-01-355-0321
NSN 5990-01-411-5930
NSN 7035-00-679-9027
NSN 7035-01-565-3736
NSN 6610-00-083-3870
NSN 6145-01-624-9852