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 5960-01-399-4327
NSN 2925-01-236-3547
NSN 5998-01-351-3421
NSN 5920-01-115-9710
NSN 5965-00-785-5100
NSN 5930-00-155-9331
NSN 5950-01-320-8691
NSN 5965-01-313-3845
NSN 6320-00-139-1090
NSN 4140-01-450-6405
NSN 5910-00-205-9119
NSN 6685-01-178-4140