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 5990-01-373-3104
NSN 5996-01-621-0716
NSN 7035-01-462-1957
NSN 5960-01-283-0308
NSN 4140-01-432-0292
NSN 5925-01-181-1587
NSN 5920-00-570-6594
NSN 5965-01-454-6185
NSN 6610-01-477-6476
NSN 5950-01-119-4201
NSN 5998-01-649-5041
NSN 5999-01-341-3179