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 5996-01-450-6408
NSN 5960-01-172-2088
NSN 6685-00-637-8553
NSN 5925-01-588-4072
NSN 6650-00-406-2645
NSN 5945-01-187-7979
NSN 6105-01-526-8402
NSN 5975-01-367-7565
NSN 5855-01-327-6678
NSN 6610-01-352-5500
NSN 6620-01-020-4526
NSN 6150-01-445-3152