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 5910-01-152-2051
NSN 5895-01-613-0662
NSN 6110-00-556-0080
NSN 6130-01-428-3290
NSN 6110-01-352-1922
NSN 6685-01-648-8830
NSN 5975-00-087-2726
NSN 6610-00-969-6947
NSN 5996-01-178-3849
NSN 5990-00-822-9269
NSN 5895-01-528-7881
NSN 2925-00-225-5386