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 5895-01-421-2690
NSN 5925-00-536-7651
NSN 6135-01-625-0765
NSN 5895-00-206-7373
NSN 5855-01-393-2455
NSN 6135-01-601-8657
NSN 5930-00-071-1485
NSN 6135-00-985-7846
NSN 5935-00-127-6068
NSN 5975-01-573-5716
NSN 5965-01-377-3587
NSN 5950-01-514-4484