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 5985-01-032-4371
NSN 6150-00-361-6814
NSN 5960-01-443-9681
NSN 5950-00-584-4571
NSN 6220-00-485-8907
NSN 6105-01-102-2432
NSN 6320-01-118-6662
NSN 2925-01-180-7793
NSN 5996-01-141-6916
NSN 6150-01-659-8127
NSN 6620-01-044-3371
NSN 6320-01-506-9439