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 5835-00-221-6628
NSN 5990-00-467-7431
NSN 5990-00-504-6706
NSN 5895-01-110-9934
NSN 5935-01-133-0442
NSN 6620-01-412-5514
NSN 6685-00-103-9589
NSN 6645-01-426-8621
NSN 7035-00-064-7008
NSN 5935-00-740-2207
NSN 5930-00-263-7854
NSN 5950-00-086-3395