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 5855-01-125-9167
NSN 2925-01-594-5385
NSN 6145-01-400-5819
NSN 6620-01-573-5794
NSN 5905-01-406-1539
NSN 5930-00-899-5297
NSN 6320-01-497-3116
NSN 6220-01-370-8655
NSN 6135-01-422-1440
NSN 5905-01-273-6671
NSN 6645-01-141-7016
NSN 5905-01-085-1037