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 6620-01-337-9070
NSN 6130-00-176-1664
NSN 6130-01-457-3712
NSN 6145-00-179-2493
NSN 5925-01-086-1441
NSN 5855-01-444-5248
NSN 6610-00-267-9944
NSN 5930-01-353-8649
NSN 7035-01-317-7186
NSN 2925-00-833-9466
NSN 6135-01-014-9755
NSN 6685-01-447-1542