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 5930-01-161-0756
NSN 2925-00-247-6248
NSN 5975-00-577-3765
NSN 5996-01-505-0101
NSN 5950-01-570-4438
NSN 5975-00-845-9453
NSN 5895-01-531-2422
NSN 5975-01-598-5935
NSN 5920-01-484-7987
NSN 5835-00-227-7909
NSN 5935-01-115-7799
NSN 5910-01-506-1913