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 6620-01-222-3143
NSN 5945-01-170-5998
NSN 6150-01-564-4355
NSN 6620-01-127-0049
NSN 6145-01-608-7478
NSN 5945-01-457-9110
NSN 6320-01-652-3806
NSN 2925-00-925-0545
NSN 6610-00-421-9853
NSN 2925-01-030-3598
NSN 5905-00-633-8370
NSN 7035-00-140-3070