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 6135-01-322-4655
NSN 6150-01-039-9988
NSN 5975-01-151-3300
NSN 6150-00-113-6608
NSN 5999-01-595-1228
NSN 6620-01-491-1434
NSN 5996-00-302-4701
NSN 5855-01-299-3510
NSN 5996-00-913-2633
NSN 5895-01-383-7220
NSN 5925-01-085-0821
NSN 6645-00-947-0625