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 6645-01-470-0635
NSN 6240-01-422-1356
NSN 6650-00-331-2232
NSN 5945-01-554-6474
NSN 6105-00-919-2296
NSN 6145-00-778-2154
NSN 5985-01-058-4515
NSN 4140-00-053-9499
NSN 5910-00-112-2505
NSN 4140-00-379-4748
NSN 5925-01-331-6300
NSN 5998-01-050-4151