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 5835-00-987-9341
NSN 2925-01-223-9593
NSN 6610-01-141-2994
NSN 5895-01-426-8942
NSN 5960-01-418-2641
NSN 6135-01-451-2120
NSN 5945-01-289-2058
NSN 6685-01-447-5633
NSN 5965-01-470-0393
NSN 6620-01-103-3556
NSN 5835-01-432-1277
NSN 6650-01-134-3644