Material is buna-n
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 5910-01-400-0891
NSN 6145-01-128-9083
NSN 5855-01-191-3404
NSN 5925-00-101-1481
NSN 6650-01-089-6192
NSN 6135-00-087-5300
NSN 4140-01-483-8040
NSN 6240-00-870-9129
NSN 6610-01-028-7651
NSN 2925-01-224-1885
NSN 6220-00-534-1829
NSN 6610-01-135-2149