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 5999-00-529-0157
NSN 5950-00-601-7302
NSN 2925-01-329-3665
NSN 5975-00-386-5006
NSN 5965-00-076-9561
NSN 5910-01-548-3938
NSN 5990-01-321-2997
NSN 5998-01-312-6076
NSN 6135-00-127-1683
NSN 5835-01-408-7576
NSN 5910-01-623-3740
NSN 6135-01-461-2915