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 4140-01-390-9552
NSN 5935-00-166-3528
NSN 6610-01-274-2479
NSN 5930-01-062-4621
NSN 6645-00-759-3962
NSN 5945-00-360-2988
NSN 6145-01-622-5728
NSN 5905-00-725-7556
NSN 6145-01-095-4139
NSN 6150-00-528-4175
NSN 5950-01-384-4469
NSN 5996-01-056-1736