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 5855-01-149-4110
NSN 5985-01-112-8761
NSN 6645-01-263-7273
NSN 6130-01-031-9690
NSN 6150-00-463-5143
NSN 6105-00-759-5509
NSN 5990-01-284-1595
NSN 6135-00-491-9864
NSN 5985-00-982-7326
NSN 5999-00-080-2117
NSN 5996-00-626-3766
NSN 6135-00-269-5843