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 5915-00-432-0645
NSN 5930-01-063-3823
NSN 6610-00-993-3788
NSN 6105-01-265-0553
NSN 5999-01-344-1352
NSN 6685-00-942-8323
NSN 6110-00-744-1301
NSN 6130-00-277-7321
NSN 6105-00-309-0051
NSN 6220-00-838-6090
NSN 5975-01-415-5650
NSN 5910-00-007-4176