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 6240-01-301-8248
NSN 5905-01-197-0460
NSN 6620-01-468-0362
NSN 6135-00-932-3136
NSN 2925-00-078-0525
NSN 6135-00-209-6918
NSN 4140-00-072-8692
NSN 6145-01-027-1454
NSN 6105-01-046-6260
NSN 6105-00-153-7967
NSN 5965-00-785-5100
NSN 5855-00-156-5489