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 5835-00-821-8555
NSN 6685-01-326-6377
NSN 6320-01-246-4390
NSN 6645-00-418-2133
NSN 6150-01-448-9858
NSN 5985-01-235-5176
NSN 5998-01-403-2586
NSN 5925-01-301-9777
NSN 5996-01-165-9344
NSN 6645-01-229-3369
NSN 7035-01-630-3054
NSN 6320-00-688-9983