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 5996-01-514-0802
NSN 6130-00-581-9322
NSN 5996-01-055-5247
NSN 6130-01-211-7224
NSN 6645-01-275-8436
NSN 6620-00-114-2837
NSN 4140-01-477-2512
NSN 2925-00-684-7708
NSN 6135-00-262-6807
NSN 5915-00-965-0535
NSN 5895-00-248-7477
NSN 6145-01-411-1210