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 5905-01-314-3457
NSN 6145-00-939-4973
NSN 6130-01-534-6634
NSN 5985-01-178-2652
NSN 5975-01-364-9767
NSN 5835-01-362-8367
NSN 7035-00-411-8850
NSN 5990-01-254-2936
NSN 5945-01-301-9824
NSN 5855-01-460-9161
NSN 2925-01-505-1666
NSN 6645-01-247-4549