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 6645-01-249-9237
NSN 5998-00-862-7299
NSN 6685-01-634-0611
NSN 6685-00-068-0933
NSN 5945-00-993-9048
NSN 6620-01-252-9626
NSN 6240-01-280-5347
NSN 6320-00-228-5678
NSN 4140-01-025-1555
NSN 7035-00-465-3298
NSN 5998-00-451-2027
NSN 7035-00-922-5700