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 5895-01-506-4503
NSN 6620-01-233-4505
NSN 7035-00-946-2642
NSN 6620-00-229-2728
NSN 5998-01-277-2687
NSN 7035-00-922-5700
NSN 5985-01-578-6915
NSN 5925-01-547-3271
NSN 6150-01-480-9795
NSN 6220-00-334-7008
NSN 6610-00-063-8489
NSN 5930-01-575-1781