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 6145-01-634-0388
NSN 5920-00-196-3631
NSN 6685-01-317-5877
NSN 2925-01-231-6312
NSN 4140-01-592-7466
NSN 5935-01-075-3962
NSN 5910-01-302-5941
NSN 6610-01-334-8883
NSN 6620-00-509-7935
NSN 6645-00-677-4354
NSN 6650-01-345-1340
NSN 6650-00-419-4863