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 6685-01-306-4747
NSN 5996-00-321-5418
NSN 5930-01-367-2184
NSN 6135-01-412-8929
NSN 6610-00-226-4710
NSN 6220-01-356-1056
NSN 7035-01-391-0432
NSN 5975-00-879-4030
NSN 5905-01-359-4050
NSN 6620-00-112-1214
NSN 6135-01-226-4071
NSN 7035-00-763-6180