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 6135-00-789-2865
NSN 5835-01-321-2906
NSN 4140-01-420-6263
NSN 6320-00-646-3311
NSN 2925-00-441-7547
NSN 6610-00-346-9613
NSN 5855-00-455-6070
NSN 6620-01-157-4417
NSN 5950-01-415-8564
NSN 6650-00-862-7143
NSN 5960-00-819-3926
NSN 5965-01-079-7939