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 5985-01-123-9484
NSN 6645-01-034-6037
NSN 6130-01-241-6852
NSN 5920-01-140-9624
NSN 5960-01-375-5231
NSN 7035-01-521-9817
NSN 6130-01-594-2405
NSN 5905-01-494-2927
NSN 5990-00-351-5479
NSN 6645-01-377-2553
NSN 5920-01-330-8637
NSN 6145-01-422-4485