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 6145-01-290-2736
NSN 5935-01-306-5469
NSN 4140-00-252-7734
NSN 4140-01-608-4315
NSN 6645-00-209-5778
NSN 6135-01-600-8345
NSN 5935-01-379-2828
NSN 5965-01-447-3767
NSN 7035-01-200-4751
NSN 6220-01-025-3511
NSN 5935-00-895-1550
NSN 6150-01-138-2991