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 5920-01-492-6512
NSN 5965-01-085-9596
NSN 6220-00-821-9387
NSN 6240-00-491-7191
NSN 5835-00-220-9091
NSN 5985-01-089-8463
NSN 6220-00-562-5964
NSN 5915-00-932-1403
NSN 6135-01-056-4609
NSN 5975-01-328-4053
NSN 6320-00-194-4252
NSN 5915-01-561-0384