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 5999-01-386-4454
NSN 4140-01-454-3869
NSN 5996-01-320-8743
NSN 6645-01-587-2985
NSN 6150-00-412-8067
NSN 6240-01-206-1609
NSN 5930-01-391-2436
NSN 6145-01-463-9683
NSN 4140-01-575-5362
NSN 2925-00-445-1511
NSN 6135-01-303-0295
NSN 5996-00-520-4370