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 5965-01-517-5416
NSN 5985-01-085-5573
NSN 6620-00-090-1601
NSN 6110-01-478-9941
NSN 5998-00-818-1613
NSN 6685-00-832-2250
NSN 5920-01-302-4270
NSN 6645-01-473-3752
NSN 5996-01-527-9707
NSN 4140-00-225-8586
NSN 5985-01-500-0880
NSN 5905-01-318-4058