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 6320-01-119-3935
NSN 4140-00-981-8580
NSN 5835-01-071-2814
NSN 5905-01-529-8127
NSN 6130-00-778-9793
NSN 2925-01-418-8106
NSN 5945-01-081-8094
NSN 6620-00-905-6590
NSN 5965-01-545-5971
NSN 5960-01-538-2082
NSN 4140-01-155-0508
NSN 5999-01-633-7311