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 5999-01-456-2784
NSN 5998-00-343-7435
NSN 6240-01-464-8916
NSN 5996-01-620-5450
NSN 2925-01-429-2235
NSN 5999-01-098-2731
NSN 6685-01-254-3014
NSN 6150-01-160-8091
NSN 6645-00-498-6869
NSN 6685-01-087-4049
NSN 6145-01-018-1752
NSN 5990-01-272-4091