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 6645-01-587-4642
NSN 5925-00-175-4023
NSN 6620-00-145-8232
NSN 7035-00-171-0804
NSN 6620-00-452-5738
NSN 5905-01-385-4321
NSN 5835-01-250-9940
NSN 6105-01-475-1001
NSN 5895-01-510-9431
NSN 5935-00-978-8753
NSN 6240-01-650-5348
NSN 5835-00-233-6327