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 5925-00-038-6147
NSN 6220-00-752-8479
NSN 6685-00-363-1701
NSN 6135-01-633-8502
NSN 2925-00-908-4420
NSN 6145-01-407-1696
NSN 6610-00-567-9385
NSN 7035-00-371-7749
NSN 5895-00-218-1355
NSN 5945-01-487-6446
NSN 7035-01-581-6121
NSN 5835-01-584-8538