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 6610-01-159-0438
NSN 5920-01-367-5791
NSN 5910-00-738-8584
NSN 5975-01-220-2949
NSN 6645-01-429-6768
NSN 5910-01-569-7856
NSN 5935-00-584-4047
NSN 5975-01-547-6850
NSN 5975-01-604-0297
NSN 5910-01-585-7774
NSN 5975-00-432-5526
NSN 5935-01-249-8970