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 6135-01-582-5987
NSN 6320-01-347-2638
NSN 5935-01-342-6668
NSN 6620-00-273-8735
NSN 6220-01-152-2637
NSN 5915-01-360-0417
NSN 5915-01-538-3382
NSN 5985-00-152-8199
NSN 5945-00-328-7300
NSN 4140-01-170-5395
NSN 5996-01-361-8299
NSN 2925-01-434-6945