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 5999-01-572-6348
NSN 6645-01-209-0264
NSN 5905-00-160-1447
NSN 6240-01-463-3132
NSN 5930-01-107-9009
NSN 5998-00-517-7312
NSN 4140-01-561-5099
NSN 5990-00-400-4794
NSN 2925-01-251-9529
NSN 5935-00-082-1493
NSN 6130-01-476-2843
NSN 5985-00-807-9822