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 5960-01-418-4875
NSN 4140-00-287-5476
NSN 6320-01-484-7734
NSN 5855-00-138-2386
NSN 6130-00-686-4906
NSN 6105-01-656-6348
NSN 5835-00-257-2852
NSN 6645-01-421-4007
NSN 5855-00-149-0766
NSN 5950-00-642-5951
NSN 7035-01-399-5354
NSN 6105-01-111-0141