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 6220-01-304-7500
NSN 5905-00-111-1853
NSN 5985-01-074-8896
NSN 6105-01-171-3256
NSN 5990-00-170-9553
NSN 6650-00-056-1581
NSN 6610-01-429-7267
NSN 2925-01-228-6554
NSN 6645-01-447-3143
NSN 5905-00-402-5054
NSN 6650-00-126-3002
NSN 5905-01-076-5247