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 5990-01-142-0538
NSN 6685-00-225-8571
NSN 5999-01-523-0930
NSN 6320-01-343-8191
NSN 6650-01-496-2662
NSN 5910-01-557-4271
NSN 6620-01-407-5619
NSN 5960-01-391-4701
NSN 2925-01-134-9175
NSN 6620-01-228-1571
NSN 5950-00-432-4018
NSN 6650-01-028-2820