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 6110-00-538-4507
NSN 5985-00-491-4338
NSN 6645-00-940-0774
NSN 6150-01-215-1149
NSN 7035-01-642-0320
NSN 5910-00-932-3024
NSN 6645-00-531-4820
NSN 5990-01-269-2111
NSN 5905-01-421-2691
NSN 5945-01-026-0506
NSN 6130-01-558-5371
NSN 5945-01-487-3106