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 5935-01-323-7238
NSN 4140-01-338-9080
NSN 5835-00-415-6421
NSN 5985-00-156-9287
NSN 5998-01-384-6149
NSN 5996-00-148-8474
NSN 5910-01-548-4539
NSN 6105-01-217-1535
NSN 5996-00-409-9683
NSN 5945-01-014-8566
NSN 5950-00-501-9448
NSN 5950-01-371-2911