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 5975-00-591-7100
NSN 4140-01-614-0148
NSN 5998-00-851-6456
NSN 5925-00-005-3694
NSN 7035-00-703-3535
NSN 6320-00-284-1524
NSN 6145-00-082-0953
NSN 5925-00-089-3278
NSN 6105-01-304-4388
NSN 5925-01-333-6442
NSN 5985-00-481-9123
NSN 6130-00-507-9189