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 5999-00-005-9553
NSN 6240-00-299-9819
NSN 5855-01-425-1330
NSN 6150-01-030-1309
NSN 5855-00-256-5562
NSN 6105-01-256-3359
NSN 5950-00-490-5798
NSN 6650-01-080-2855
NSN 6135-00-985-7887
NSN 5998-01-206-6043
NSN 6320-01-056-1164
NSN 6645-01-088-5244