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 5985-01-386-8742
NSN 2925-01-583-5619
NSN 6145-01-444-1668
NSN 5930-01-457-2288
NSN 6110-00-980-9292
NSN 5999-01-370-7049
NSN 5925-01-246-3703
NSN 5925-00-430-6343
NSN 6320-01-054-3046
NSN 6620-01-368-2723
NSN 6240-01-234-7893
NSN 6685-01-449-9657