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 6240-00-413-4577
NSN 6110-01-147-8626
NSN 5910-01-426-5695
NSN 5835-01-113-8731
NSN 6145-01-347-4114
NSN 5960-00-409-9604
NSN 5999-00-079-1911
NSN 7035-01-518-4418
NSN 5960-01-160-3437
NSN 5975-01-660-8541
NSN 6110-01-574-2577
NSN 6610-01-533-6046