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 6240-01-621-2774
NSN 5998-00-927-1192
NSN 5925-01-491-2982
NSN 6320-01-294-7161
NSN 5835-01-360-2657
NSN 5985-00-941-3542
NSN 5855-01-589-3816
NSN 6135-01-100-3593
NSN 4140-00-494-2569
NSN 6135-00-546-6273
NSN 6220-01-149-4177
NSN 6685-01-276-5400