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 5835-00-155-1379
NSN 5920-01-224-7946
NSN 5996-00-501-2617
NSN 6320-01-201-2776
NSN 6135-01-574-6577
NSN 5905-01-080-9145
NSN 6130-01-372-4540
NSN 6645-00-269-2764
NSN 4140-01-034-0195
NSN 6130-00-649-8953
NSN 5905-00-170-1869
NSN 5915-01-475-4203