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 5920-00-925-2639
NSN 4140-01-138-8635
NSN 6130-01-344-4483
NSN 7035-01-369-1445
NSN 5998-00-682-3988
NSN 5950-01-063-4497
NSN 6110-00-279-5613
NSN 6645-01-205-3869
NSN 6135-01-386-5709
NSN 5855-01-223-0618
NSN 5960-01-177-7406
NSN 5975-01-604-2217