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 6645-01-230-5073
NSN 6685-01-323-3610
NSN 5985-00-928-3713
NSN 5930-00-823-6511
NSN 6220-00-716-3939
NSN 4140-01-479-3405
NSN 6320-01-473-9024
NSN 6240-01-018-4895
NSN 6240-01-412-7803
NSN 6130-00-250-5964
NSN 6610-01-419-0929
NSN 6685-00-269-4895