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 6620-00-155-2608
NSN 6610-01-406-4985
NSN 5935-01-055-6852
NSN 5935-00-076-0238
NSN 6645-00-226-2270
NSN 5990-01-032-8368
NSN 5935-01-146-4851
NSN 6620-00-159-0866
NSN 6105-00-144-1754
NSN 6610-00-211-9095
NSN 5835-00-733-9145
NSN 5925-01-624-8671