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 6135-00-321-6707
NSN 5930-01-571-4431
NSN 5990-01-066-5227
NSN 6145-01-326-1001
NSN 5945-01-464-2133
NSN 6620-01-454-8926
NSN 6240-00-891-1508
NSN 6135-01-168-2944
NSN 5950-01-005-6508
NSN 5945-00-917-4999
NSN 5895-01-241-0075
NSN 5985-01-327-5081