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 6240-01-240-1596
NSN 5950-01-023-0805
NSN 5985-00-539-6063
NSN 5996-01-633-7979
NSN 5910-00-353-6649
NSN 5975-00-660-5962
NSN 5835-01-535-8470
NSN 5910-00-315-3449
NSN 5998-01-172-9029
NSN 6320-00-925-0558
NSN 5996-01-539-1351
NSN 6135-00-505-0679