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 6145-01-653-6855
NSN 7035-00-020-2227
NSN 5990-00-678-6006
NSN 5855-00-133-5897
NSN 5930-01-356-4382
NSN 6320-01-527-0211
NSN 5960-01-201-5804
NSN 5960-00-106-1281
NSN 6135-01-487-0773
NSN 2925-00-877-4307
NSN 6130-01-029-4550
NSN 5930-01-160-7895