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 6135-00-444-1402
NSN 4140-01-169-9592
NSN 6240-01-486-3715
NSN 5935-00-251-8695
NSN 5835-01-174-7700
NSN 5999-01-013-7799
NSN 6645-00-292-5053
NSN 2925-01-386-7392
NSN 7035-00-529-3128
NSN 5835-00-572-7445
NSN 4140-01-170-3359
NSN 5920-01-337-6252