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 6685-00-264-3986
NSN 2925-01-187-0423
NSN 5998-01-468-5460
NSN 5975-00-740-1266
NSN 6650-01-170-9719
NSN 6220-01-186-9750
NSN 6645-01-519-3007
NSN 5930-00-823-0797
NSN 5985-01-299-5357
NSN 5945-01-463-7332
NSN 6145-01-525-3602
NSN 6130-01-386-5762