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 5998-01-177-7713
NSN 6130-01-147-5594
NSN 5990-01-452-0911
NSN 6685-00-853-8835
NSN 5990-01-105-5336
NSN 6610-00-290-0758
NSN 6150-01-127-4748
NSN 6110-01-460-3566
NSN 5855-00-198-3197
NSN 5920-01-170-3464
NSN 7035-01-398-9581
NSN 6130-00-715-5579