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 4140-00-580-7038
NSN 5998-01-025-6764
NSN 5905-01-098-9156
NSN 5996-00-052-7801
NSN 5975-01-197-7673
NSN 6645-01-545-7411
NSN 5920-01-572-9171
NSN 5915-01-328-4580
NSN 6220-01-266-2341
NSN 5985-01-500-8331
NSN 5915-00-708-8633
NSN 5990-01-142-0538