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 6620-00-246-5159
NSN 2925-00-463-7319
NSN 5895-00-278-8092
NSN 6645-01-386-6311
NSN 6685-00-248-6990
NSN 5996-01-479-9637
NSN 6645-01-545-7411
NSN 6135-01-393-4746
NSN 4140-01-085-4965
NSN 6645-01-031-6402
NSN 5999-00-517-1781
NSN 6685-01-106-3210