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 6645-00-119-6221
NSN 6130-01-272-5671
NSN 7035-01-131-1168
NSN 5895-01-243-6436
NSN 4140-00-648-3303
NSN 5855-01-409-1792
NSN 5960-01-149-1261
NSN 6135-00-738-5571
NSN 6645-01-626-3651
NSN 6610-01-624-1188
NSN 6220-01-347-8642
NSN 5930-01-168-2261