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 6685-00-435-3199
NSN 6130-00-116-3416
NSN 6240-01-572-6003
NSN 4140-01-390-6348
NSN 5930-01-579-0144
NSN 5895-01-651-5469
NSN 6135-01-255-9129
NSN 6220-01-429-8534
NSN 5910-01-460-0320
NSN 6145-01-106-7056
NSN 5895-01-649-4436
NSN 6130-01-373-4468