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 5990-01-449-7090
NSN 6320-01-279-0343
NSN 5945-01-315-1900
NSN 6135-01-364-0667
NSN 2925-01-068-3844
NSN 6150-00-681-8380
NSN 5950-01-580-0598
NSN 5975-00-596-4716
NSN 5935-00-757-8643
NSN 5965-01-370-1891
NSN 6145-00-577-8480
NSN 6620-00-708-3323