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 6685-01-471-8417
NSN 7035-01-045-7202
NSN 6650-01-535-2086
NSN 5935-01-322-3245
NSN 2925-01-351-9748
NSN 5915-00-599-9162
NSN 6135-00-961-3603
NSN 6130-01-443-2448
NSN 6610-01-436-5236
NSN 5998-01-187-6000
NSN 5930-00-962-0542
NSN 5855-00-532-0025