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 6130-00-224-5472
NSN 6150-00-091-9101
NSN 6610-01-435-5425
NSN 4140-01-189-2589
NSN 6645-01-251-7887
NSN 2925-00-315-8442
NSN 7035-00-286-6221
NSN 6645-00-559-3623
NSN 6145-01-425-5486
NSN 4140-01-332-4970
NSN 6145-00-152-9954
NSN 6110-01-534-2742