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 2925-00-570-6309
NSN 6320-00-360-1744
NSN 5975-00-167-6509
NSN 5985-01-512-9541
NSN 6620-01-122-8886
NSN 5975-00-678-5958
NSN 5855-01-433-2220
NSN 6130-00-816-7981
NSN 7035-01-481-2110
NSN 5998-01-539-4268
NSN 2925-01-355-3866
NSN 5925-01-504-0934