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 5915-00-729-1276
NSN 6110-01-205-7617
NSN 7035-01-375-3719
NSN 4140-01-337-5556
NSN 5910-00-037-7550
NSN 2925-01-139-7106
NSN 5935-01-534-3869
NSN 6130-01-519-4517
NSN 6240-01-333-9430
NSN 6220-01-455-2248
NSN 6645-01-387-2063
NSN 5920-00-043-2647