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 6110-01-585-3220
NSN 6620-01-476-0498
NSN 4140-00-211-5970
NSN 6220-01-104-7280
NSN 6220-01-479-7116
NSN 5990-00-620-1137
NSN 5975-00-038-2813
NSN 6105-01-202-2480
NSN 6105-00-681-6261
NSN 5945-01-559-9569
NSN 6620-00-010-8190
NSN 5950-01-303-6814