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 6685-00-408-0379
NSN 5965-00-137-2605
NSN 5996-01-038-6838
NSN 5975-00-840-4802
NSN 5985-01-442-3201
NSN 5985-00-869-8497
NSN 6150-01-132-4651
NSN 5950-00-564-0703
NSN 5855-01-581-5827
NSN 6220-00-505-1599
NSN 6220-01-419-1932
NSN 6150-01-356-6976