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 5965-00-903-0845
NSN 6645-00-664-4665
NSN 6130-00-423-5349
NSN 4140-01-044-3366
NSN 5945-00-816-9717
NSN 5930-00-792-6562
NSN 6130-01-223-5213
NSN 5920-01-395-6145
NSN 6610-01-388-0563
NSN 5935-00-484-5745
NSN 6105-00-144-1754
NSN 6110-01-578-3731