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 4140-01-607-5998
NSN 5999-00-435-1984
NSN 5915-01-583-2802
NSN 6240-00-954-5503
NSN 5975-00-789-3846
NSN 6135-01-020-3805
NSN 6220-01-100-4340
NSN 5925-01-206-1533
NSN 6135-01-415-4124
NSN 5965-01-530-8875
NSN 5950-01-519-3948
NSN 5950-01-093-6015