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 6240-00-006-3725
NSN 5855-00-198-3197
NSN 6645-01-069-0072
NSN 6610-01-338-8531
NSN 5965-01-523-5998
NSN 5920-01-448-9208
NSN 2925-00-453-4100
NSN 5975-00-679-6738
NSN 6320-01-418-2611
NSN 6610-01-179-0116
NSN 5915-01-007-1211
NSN 6320-00-882-7061