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 6645-00-269-2764
NSN 6220-00-529-8415
NSN 6610-01-201-7943
NSN 6685-01-539-5808
NSN 2925-00-711-9411
NSN 5945-00-104-8097
NSN 6240-00-557-4402
NSN 6130-00-071-1518
NSN 5985-01-331-5999
NSN 6135-01-479-9790
NSN 6610-01-521-2438
NSN 5915-01-265-3960