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 6150-01-294-8240
NSN 4140-01-165-6409
NSN 5945-01-340-8002
NSN 5996-01-275-3835
NSN 5999-01-535-1599
NSN 6610-00-609-7168
NSN 6645-01-120-4988
NSN 7035-01-348-1257
NSN 5960-01-438-0245
NSN 5905-01-251-8833
NSN 5996-01-314-6479
NSN 5920-00-636-4713