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 5990-00-703-4926
NSN 5985-00-706-3128
NSN 5985-01-196-0202
NSN 2925-01-348-8306
NSN 6130-01-229-5882
NSN 6105-01-479-8988
NSN 6110-01-632-6864
NSN 6220-01-441-5513
NSN 5905-01-129-1569
NSN 4140-00-198-4961
NSN 5990-00-481-7208
NSN 6645-01-409-2003