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 5910-00-528-9714
NSN 5990-01-386-5561
NSN 5985-00-147-9452
NSN 6105-01-334-9807
NSN 2925-01-394-9658
NSN 5855-01-054-9014
NSN 4140-01-634-0330
NSN 7035-01-423-8343
NSN 6645-00-997-8645
NSN 6650-01-508-8939
NSN 6130-01-298-5732
NSN 6110-01-318-0716