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 5996-01-408-8055
NSN 5998-01-449-4484
NSN 5999-01-189-5195
NSN 5998-01-451-9638
NSN 6135-01-415-1163
NSN 4140-01-366-6666
NSN 6150-00-502-2692
NSN 5985-00-368-7198
NSN 5855-00-357-1158
NSN 6130-00-773-3132
NSN 5945-01-026-9393
NSN 5925-01-123-8496