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 5905-01-237-3437
NSN 5985-00-835-3934
NSN 6105-01-477-4744
NSN 6620-01-281-6386
NSN 5990-01-411-5930
NSN 6135-01-090-5365
NSN 6150-01-435-5026
NSN 4140-01-159-6664
NSN 6620-01-100-3181
NSN 7035-01-426-4133
NSN 5905-01-220-7215
NSN 5998-00-217-6544