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 5905-01-252-8654
NSN 5950-01-145-5361
NSN 6145-01-062-9179
NSN 5965-01-533-7661
NSN 5915-00-840-8508
NSN 5925-01-532-5569
NSN 7035-01-613-2680
NSN 5930-01-545-2840
NSN 5960-00-930-2285
NSN 6135-00-921-6487
NSN 5960-01-347-6791
NSN 6620-01-655-7664