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 5920-01-216-8022
NSN 5950-00-827-0884
NSN 5930-01-326-6238
NSN 5855-01-596-0879
NSN 5930-00-471-2549
NSN 5935-01-304-6095
NSN 5910-00-446-6571
NSN 7035-00-529-3128
NSN 5960-01-184-3436
NSN 6685-01-457-2081
NSN 5950-01-634-0677
NSN 5990-01-555-6616