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 5996-00-438-0153
NSN 5920-00-816-7535
NSN 5925-01-152-1931
NSN 5910-00-923-8743
NSN 6105-00-014-2554
NSN 6150-00-507-0403
NSN 6320-01-384-3219
NSN 6105-01-516-8000
NSN 4140-01-435-6198
NSN 5965-01-507-7464
NSN 5998-01-375-0292
NSN 5960-01-350-2925