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 5930-00-666-2971
NSN 6130-00-009-1399
NSN 6240-01-105-1399
NSN 6105-01-090-1166
NSN 5996-00-914-6298
NSN 6220-01-599-5771
NSN 5950-01-106-3645
NSN 5990-01-244-9998
NSN 6150-01-338-3602
NSN 6150-01-010-7011
NSN 5920-01-625-9604
NSN 2925-01-476-3224