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 6150-00-921-0483
NSN 5975-01-273-5160
NSN 5999-01-474-9167
NSN 5950-01-142-2224
NSN 5990-00-137-3971
NSN 6320-00-925-0558
NSN 2925-01-602-8709
NSN 6685-01-644-6319
NSN 6220-00-262-0017
NSN 5960-01-457-0157
NSN 5950-01-577-0001
NSN 6610-01-227-1692