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 5855-00-138-2386
NSN 5935-01-512-5557
NSN 6145-01-036-7704
NSN 6685-01-372-8769
NSN 5895-01-437-7171
NSN 4140-01-492-5923
NSN 5945-00-648-6237
NSN 5999-01-513-1964
NSN 6620-01-361-8685
NSN 6645-00-327-4005
NSN 2925-00-176-3889
NSN 6240-01-657-0501