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 6620-00-226-2285
NSN 5975-01-164-3743
NSN 6620-01-479-2352
NSN 6150-00-209-8026
NSN 5990-01-086-4825
NSN 6105-01-409-2023
NSN 6220-01-649-3542
NSN 5960-01-317-3800
NSN 6685-01-445-8939
NSN 6320-01-287-8070
NSN 2925-01-463-3899
NSN 5999-01-557-4465