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 4140-00-173-0706
NSN 6320-00-521-9350
NSN 6610-01-541-5034
NSN 5910-00-137-7254
NSN 6220-00-202-8591
NSN 6645-00-724-7668
NSN 5930-01-571-7289
NSN 5935-01-410-8548
NSN 5975-01-593-1224
NSN 6610-00-216-6538
NSN 5975-00-299-1202
NSN 5920-01-020-7659