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 6110-00-497-3505
NSN 6685-00-411-1433
NSN 5996-00-601-6690
NSN 5950-01-358-9634
NSN 6620-00-810-6774
NSN 5905-01-321-9382
NSN 5920-01-655-1941
NSN 5975-00-358-7916
NSN 5935-01-429-0889
NSN 5990-01-283-7062
NSN 5905-00-720-8778
NSN 6110-01-386-7616