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 5910-01-538-3075
NSN 5855-01-600-0486
NSN 5975-01-470-2775
NSN 5960-00-062-4906
NSN 5910-00-318-2161
NSN 2925-01-285-7163
NSN 6105-00-710-8202
NSN 6685-01-367-6620
NSN 6320-00-646-3311
NSN 5998-01-026-5599
NSN 6645-01-495-0939
NSN 6220-00-004-6394