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 4140-01-147-8525
NSN 2925-00-113-6146
NSN 4140-01-599-4199
NSN 6610-01-506-7024
NSN 6130-00-490-3699
NSN 6610-01-605-2451
NSN 6610-01-019-9233
NSN 5910-01-008-4283
NSN 6685-01-411-7113
NSN 5975-00-281-5587
NSN 6320-01-497-3116
NSN 6620-00-280-2874