A nonmetallic circular item with an aperature, having a solid round cross-section. They are used primarily for sealing. For items with other than round cross section, see packing,preformed. For noncircular items with a round cross-section, see seal,nonmetallic round section and rubber,round section.
NSN 6620-01-421-3917
NSN 5996-00-392-7626
NSN 5960-01-415-3574
NSN 6320-01-504-3948
NSN 6650-01-408-0422
NSN 5920-01-412-1080
NSN 6135-00-016-0071
NSN 6105-00-399-4704
NSN 5998-01-471-6987
NSN 5945-01-367-6469
NSN 2925-01-269-3861
NSN 6135-00-243-8330