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 5975-01-111-5599
NSN 5905-01-255-8820
NSN 5915-00-103-1656
NSN 2925-01-506-4758
NSN 6135-01-062-9356
NSN 5910-01-499-5889
NSN 5998-01-085-5522
NSN 5925-01-025-9612
NSN 7035-00-104-7613
NSN 6135-01-362-4256
NSN 6150-01-298-1131
NSN 6105-01-254-1793