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 5925-00-229-1893
NSN 2925-01-426-3410
NSN 5945-00-269-5375
NSN 5835-01-267-3388
NSN 6220-00-541-8515
NSN 5920-01-005-1755
NSN 6240-01-612-8469
NSN 5960-00-646-4756
NSN 5965-01-568-9620
NSN 5996-00-177-6267
NSN 5996-00-264-8929
NSN 6135-00-931-9049