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 5925-00-764-8349
NSN 6645-01-307-4096
NSN 6610-01-633-8931
NSN 6645-00-192-1152
NSN 6135-01-329-7994
NSN 5950-01-311-9173
NSN 6610-00-056-5889
NSN 5965-01-252-8701
NSN 6610-01-119-3048
NSN 6135-01-238-2878
NSN 6105-00-733-9226
NSN 4140-01-532-6669