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 6620-00-221-5576
NSN 6320-01-006-6138
NSN 5855-01-083-9053
NSN 5935-01-563-0399
NSN 6150-00-731-4453
NSN 6135-01-333-6737
NSN 5975-00-170-3623
NSN 2925-01-455-2558
NSN 5999-00-188-4141
NSN 5855-01-111-3962
NSN 6135-01-545-6582
NSN 5965-01-200-6613