Quantity required 1
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 4140-01-433-8100
NSN 6645-01-654-5293
NSN 5930-01-463-1841
NSN 2925-01-168-6253
NSN 5985-01-349-9417
NSN 6110-01-314-1203
NSN 6620-01-525-8648
NSN 6685-00-991-5461
NSN 5930-01-397-6459
NSN 5930-00-200-8063
NSN 6110-01-340-0783
NSN 6610-01-345-1110