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 4140-00-137-9633
NSN 6130-01-467-1348
NSN 5950-00-409-0024
NSN 5905-00-398-9697
NSN 5998-00-840-1501
NSN 4140-01-145-4474
NSN 5950-01-463-3803
NSN 5915-01-415-4649
NSN 6620-00-280-2874
NSN 5945-01-486-6977
NSN 6135-00-170-8819
NSN 5985-00-894-3404