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 5975-00-280-6083
NSN 5855-00-610-4052
NSN 7035-01-545-0834
NSN 4140-01-605-1414
NSN 6145-01-592-8842
NSN 6650-01-170-5440
NSN 5965-00-680-9749
NSN 6110-01-357-6357
NSN 6135-01-415-1163
NSN 5950-01-333-9788
NSN 5855-00-610-4052
NSN 6685-01-089-9606