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 4140-00-805-9531
NSN 5990-00-067-6791
NSN 2925-00-168-2287
NSN 6105-01-150-6751
NSN 6220-01-088-8709
NSN 6135-00-542-6728
NSN 6135-00-851-8575
NSN 7035-01-608-7826
NSN 7035-00-131-8219
NSN 6610-01-535-0310
NSN 5910-01-195-7250
NSN 4140-01-245-5684