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 5945-00-947-0547
NSN 6110-00-589-3134
NSN 4140-00-253-1801
NSN 6110-01-600-6389
NSN 5945-00-189-4669
NSN 5950-01-556-7989
NSN 6130-01-194-4163
NSN 5990-00-112-2440
NSN 5950-01-399-0248
NSN 6685-00-317-4319
NSN 5950-00-116-8987
NSN 6320-01-406-6098