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 5998-00-566-0936
NSN 5935-01-039-7594
NSN 5960-00-283-9702
NSN 4140-01-284-6485
NSN 5985-00-816-8486
NSN 5945-01-545-0269
NSN 6685-01-391-5316
NSN 6135-00-166-5984
NSN 5920-01-601-6787
NSN 6685-01-437-3128
NSN 5935-00-833-8652
NSN 5925-01-254-1245