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 5925-00-525-4037
NSN 5945-00-813-6448
NSN 5990-01-542-4212
NSN 6150-01-357-6791
NSN 2925-00-124-5465
NSN 4140-01-499-8906
NSN 6150-00-951-3420
NSN 6620-01-181-1757
NSN 4140-00-908-2363
NSN 5910-00-271-7588
NSN 5999-01-453-7798
NSN 5960-01-641-5493