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 6130-01-525-8269
NSN 2925-01-564-3847
NSN 6130-01-373-5184
NSN 6650-00-994-9843
NSN 6135-01-142-2417
NSN 5910-00-296-6883
NSN 4140-00-340-1592
NSN 6610-00-881-5060
NSN 2925-01-659-8436
NSN 6220-00-539-8769
NSN 5996-01-445-7284
NSN 6320-01-415-0953