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 5950-01-583-6563
NSN 5998-01-074-4144
NSN 5950-00-560-0317
NSN 6135-01-578-8642
NSN 6650-01-610-5017
NSN 5855-00-763-2155
NSN 5835-01-250-2939
NSN 2925-01-576-6206
NSN 5985-00-133-3508
NSN 6135-01-485-3450
NSN 7035-01-521-3449
NSN 4140-01-656-8267