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 5905-01-225-0692
NSN 5925-01-332-3266
NSN 6320-01-039-5891
NSN 5925-00-105-8462
NSN 6685-00-470-7732
NSN 5935-01-519-9290
NSN 6135-00-057-2005
NSN 5930-01-245-8636
NSN 6135-01-327-2092
NSN 6620-01-274-3423
NSN 6135-01-351-1131
NSN 6150-01-493-4720