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 6145-01-420-5278
NSN 5905-01-276-9973
NSN 6110-00-542-2202
NSN 6220-01-122-8742
NSN 6320-01-145-2742
NSN 6135-01-606-8140
NSN 6135-00-334-4500
NSN 6110-01-171-3268
NSN 6110-01-379-3526
NSN 6620-00-067-4946
NSN 5996-00-133-4321
NSN 5975-01-040-5203