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 5999-01-284-0552
NSN 5835-01-414-3258
NSN 5915-01-316-9515
NSN 4140-01-288-2947
NSN 6145-01-360-2789
NSN 5965-01-053-7168
NSN 5950-00-035-8791
NSN 6650-00-073-5154
NSN 5915-00-224-5202
NSN 6220-01-025-1373
NSN 5975-01-119-6024
NSN 5990-01-485-0260