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 5855-00-165-3093
NSN 5985-00-133-1776
NSN 5925-00-130-2586
NSN 5910-00-230-8811
NSN 5975-00-911-5934
NSN 5925-00-475-2648
NSN 6650-01-258-5871
NSN 5925-01-041-3930
NSN 6240-01-423-8642
NSN 5945-01-502-9531
NSN 6130-00-653-4228
NSN 5855-01-010-4921