Age control per ana bulletin 438
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 6240-01-347-5476
NSN 6130-01-189-5725
NSN 6105-01-299-2632
NSN 2925-00-932-8169
NSN 6610-01-044-4740
NSN 6220-01-321-7329
NSN 7035-00-148-2300
NSN 5990-01-437-4876
NSN 6220-00-050-1854
NSN 5950-00-503-8086
NSN 5835-00-233-6327
NSN 6110-01-341-4419