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 5985-01-330-6793
NSN 5960-01-383-6262
NSN 5915-01-367-8614
NSN 6150-01-066-9329
NSN 6130-00-107-5303
NSN 5910-00-306-1431
NSN 5965-01-205-6249
NSN 5950-01-634-0677
NSN 5965-01-007-1963
NSN 6685-01-606-9171
NSN 5998-01-085-6299
NSN 6105-00-349-9743