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 5998-01-403-2586
NSN 5999-01-391-5646
NSN 6685-00-473-2423
NSN 6645-00-064-9839
NSN 5835-01-416-6455
NSN 6240-00-057-9498
NSN 6650-00-774-7078
NSN 5915-00-423-2749
NSN 5910-00-019-3128
NSN 5855-01-398-9548
NSN 6610-00-670-7802
NSN 4140-00-344-4271