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 5996-00-167-7675
NSN 6240-01-594-2819
NSN 6130-01-411-4438
NSN 5950-01-097-4317
NSN 5985-00-144-8170
NSN 6240-01-519-8781
NSN 5990-01-170-6081
NSN 5950-01-122-2390
NSN 6130-01-485-2018
NSN 6645-00-559-3623
NSN 6135-01-632-3365
NSN 5985-00-208-6751