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 5905-01-381-1425
NSN 6620-01-431-9176
NSN 6130-01-391-5991
NSN 5990-01-652-7373
NSN 5975-00-132-6694
NSN 5935-01-089-9981
NSN 5998-01-535-9049
NSN 6150-01-209-5181
NSN 5999-00-419-3141
NSN 5855-01-058-6687
NSN 5935-00-989-0294
NSN 6620-01-266-1663