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 6240-01-248-7888
NSN 6645-01-445-5235
NSN 6130-01-090-9761
NSN 6240-00-923-8944
NSN 6110-01-025-9773
NSN 6145-01-610-3815
NSN 6610-01-527-1599
NSN 6650-00-011-0776
NSN 5950-01-188-9061
NSN 6145-00-553-8196
NSN 6645-01-409-0468
NSN 5925-01-244-4011