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 5935-00-145-3899
NSN 5905-00-615-9391
NSN 5835-01-537-1228
NSN 6685-01-536-2538
NSN 6220-00-707-5044
NSN 5945-01-540-6949
NSN 5855-01-478-5775
NSN 5835-00-554-0399
NSN 7035-01-633-9537
NSN 5855-00-281-3843
NSN 5855-01-539-0639
NSN 6645-00-859-8404