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 6145-01-277-3270
NSN 6135-00-110-1981
NSN 5990-01-465-3088
NSN 5935-00-516-5251
NSN 5985-01-429-7173
NSN 6130-01-492-5841
NSN 5945-00-862-3979
NSN 6685-01-049-7173
NSN 5895-01-463-9041
NSN 5975-01-298-5620
NSN 6220-01-055-4538
NSN 6135-01-391-6515