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 6110-00-989-7474
NSN 5975-01-012-5643
NSN 5855-01-470-4845
NSN 6135-01-061-1862
NSN 5975-01-608-8671
NSN 5935-01-440-9909
NSN 5950-01-422-0467
NSN 6220-01-577-2547
NSN 6610-01-551-0774
NSN 2925-00-236-9986
NSN 6645-01-227-2036
NSN 5835-01-432-1277