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 5920-01-113-7787
NSN 5960-00-087-3086
NSN 5975-01-539-9541
NSN 6135-01-260-7180
NSN 5935-01-034-2604
NSN 5960-00-492-2502
NSN 5905-01-411-8290
NSN 5920-01-551-9908
NSN 6150-00-247-6246
NSN 6130-00-869-0758
NSN 6320-00-194-4252
NSN 5950-01-340-2218