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 5915-01-513-9122
NSN 6130-01-556-6940
NSN 5835-01-261-9878
NSN 5999-01-556-4315
NSN 5999-00-462-1674
NSN 5855-01-393-2455
NSN 6645-01-286-6854
NSN 5996-01-440-9660
NSN 5975-01-056-4727
NSN 5915-01-130-4965
NSN 6645-01-651-2743
NSN 6620-01-322-0018