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 6685-00-630-3143
NSN 5975-01-451-4799
NSN 6650-01-626-4158
NSN 6610-01-258-6206
NSN 7035-01-508-6447
NSN 5999-01-461-2808
NSN 6150-00-557-7656
NSN 5905-01-580-7153
NSN 5945-00-922-8482
NSN 6320-00-557-3079
NSN 5925-00-229-3519
NSN 6645-01-381-0656