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 5998-00-881-0149
NSN 6150-01-379-8007
NSN 2925-00-315-8442
NSN 6650-00-170-5095
NSN 5950-01-546-0895
NSN 6240-00-482-9188
NSN 6320-01-466-4175
NSN 6685-01-100-3012
NSN 2925-00-143-5859
NSN 6645-01-014-0793
NSN 5990-00-518-0684
NSN 6135-01-051-7836