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 6105-00-563-0494
NSN 5925-00-708-1605
NSN 6645-01-331-5674
NSN 6685-00-191-9357
NSN 5945-01-515-1450
NSN 5915-00-896-3111
NSN 4140-00-937-6838
NSN 6645-01-435-8356
NSN 4140-00-910-3425
NSN 5998-01-282-0476
NSN 5945-01-529-6523
NSN 5975-00-011-3714