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 5998-01-129-6456
NSN 5975-00-728-3224
NSN 5996-00-111-3379
NSN 5985-00-189-7138
NSN 5935-01-247-1421
NSN 5960-00-682-4996
NSN 6130-01-439-9368
NSN 6130-01-298-1059
NSN 4140-01-525-8158
NSN 7035-01-386-3004
NSN 2925-01-472-4423
NSN 5935-01-200-8652