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 6320-00-389-4756
NSN 5990-01-038-5020
NSN 5920-00-869-6403
NSN 6220-01-046-7485
NSN 6150-01-264-9744
NSN 5996-01-191-8758
NSN 5960-01-318-0987
NSN 6105-01-074-0042
NSN 5915-00-518-0851
NSN 6320-00-925-0558
NSN 5950-01-254-9425
NSN 5975-00-115-2696