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 5999-01-509-7357
NSN 5990-01-102-9617
NSN 6685-00-171-8134
NSN 6620-01-628-2620
NSN 6145-00-575-7190
NSN 5960-00-539-7914
NSN 5910-01-035-6724
NSN 5960-00-315-0358
NSN 5960-01-365-8752
NSN 6130-01-315-1166
NSN 5985-01-650-0539
NSN 5990-00-344-2062