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 6145-01-421-4257
NSN 6320-01-322-8340
NSN 2925-01-151-6969
NSN 6105-00-258-9006
NSN 6220-00-719-7714
NSN 5910-01-400-2647
NSN 6130-01-334-0790
NSN 6645-00-646-6631
NSN 6150-01-140-1524
NSN 7035-01-119-2234
NSN 5945-01-558-2240
NSN 6220-01-248-4452