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 5935-00-724-7962
NSN 5915-01-027-4356
NSN 6320-01-029-4220
NSN 6620-01-391-7331
NSN 4140-00-161-6327
NSN 6645-01-633-1852
NSN 5925-01-250-9396
NSN 5950-01-445-0552
NSN 4140-01-565-5580
NSN 5945-01-599-6163
NSN 6685-01-391-6010
NSN 5915-01-511-1024