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 5905-01-110-7472
NSN 5950-01-483-5396
NSN 5905-00-631-8746
NSN 5975-00-054-9372
NSN 6145-01-218-4097
NSN 5925-00-858-7151
NSN 6130-01-634-0603
NSN 6220-01-068-4066
NSN 5945-01-410-8747
NSN 5925-01-127-2074
NSN 5925-00-421-6629
NSN 6650-01-321-8533