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 5990-01-483-7313
NSN 6685-01-195-5354
NSN 5999-00-652-9393
NSN 6320-01-541-7585
NSN 5930-01-350-3705
NSN 6685-01-422-3514
NSN 6685-00-758-1162
NSN 6145-01-003-9741
NSN 5998-01-502-6367
NSN 6320-01-067-0474
NSN 6685-00-616-2448
NSN 5920-01-646-5798