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 6620-00-133-7903
NSN 6685-01-004-3614
NSN 5910-01-180-6508
NSN 5905-00-740-8205
NSN 5990-01-463-2279
NSN 5985-01-373-3139
NSN 6110-01-045-2035
NSN 5990-01-654-6203
NSN 4140-01-554-5147
NSN 6135-00-170-8819
NSN 7035-01-613-5139
NSN 5985-01-239-2202