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 5985-00-787-4661
NSN 6645-01-268-0544
NSN 7035-01-565-3736
NSN 6130-01-643-0954
NSN 5925-01-440-9111
NSN 5855-01-628-0505
NSN 5985-00-882-6496
NSN 5950-01-377-1422
NSN 5985-00-284-1869
NSN 5930-01-604-8952
NSN 5930-01-281-8739
NSN 6220-00-836-1494