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 5998-01-054-2101
NSN 5996-01-652-4042
NSN 6220-01-520-8111
NSN 5996-01-470-1404
NSN 5999-00-609-6960
NSN 5998-00-065-9274
NSN 5905-01-266-5871
NSN 5950-01-179-7343
NSN 5998-01-482-0877
NSN 5855-00-145-3307
NSN 6130-00-761-6447
NSN 6135-00-100-0485