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 5999-00-126-4550
NSN 6240-01-100-2597
NSN 5835-01-432-1277
NSN 7035-00-312-3055
NSN 6135-01-422-1440
NSN 5920-01-398-1626
NSN 5855-01-406-4821
NSN 6620-00-224-3479
NSN 5996-01-302-8776
NSN 2925-01-120-8712
NSN 6320-01-094-2634
NSN 6130-01-508-6808