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 5975-00-279-3972
NSN 7035-01-145-5059
NSN 6240-01-252-8850
NSN 5925-01-505-3478
NSN 5998-01-644-1187
NSN 6105-01-436-0016
NSN 6220-01-045-3834
NSN 2925-00-816-8765
NSN 6645-00-250-4680
NSN 6620-01-213-8772
NSN 6645-01-114-6802
NSN 5935-01-334-4747