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 6150-01-088-6539
NSN 6150-01-435-4881
NSN 6320-01-072-2073
NSN 6645-01-147-5579
NSN 5935-01-080-8900
NSN 6130-00-436-1763
NSN 6685-01-468-3174
NSN 6150-01-413-8381
NSN 6650-00-824-0745
NSN 6650-01-557-1080
NSN 6130-01-113-8777
NSN 5965-00-768-4366