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 5960-00-615-9972
NSN 5905-01-364-0737
NSN 5915-00-914-3389
NSN 5855-01-236-9645
NSN 6110-01-328-4781
NSN 6105-00-924-4822
NSN 6240-00-857-5624
NSN 5925-00-377-6368
NSN 6650-00-838-8632
NSN 2925-01-386-7392
NSN 5975-01-553-7901
NSN 7035-01-633-9537