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 6240-01-084-8637
NSN 5960-01-212-7413
NSN 6145-00-603-2608
NSN 5996-01-421-4080
NSN 6320-01-262-8642
NSN 6685-01-426-8929
NSN 6685-01-437-8425
NSN 5985-00-936-6924
NSN 6130-01-345-3655
NSN 6220-01-556-6330
NSN 5925-01-435-5869
NSN 5905-01-445-6373