Buna-n material
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 5930-01-353-0253
NSN 5985-01-452-3533
NSN 6620-01-313-3755
NSN 5975-01-557-1508
NSN 6610-00-141-7000
NSN 6610-00-137-0351
NSN 6220-00-231-4934
NSN 5945-00-898-1464
NSN 6130-00-397-7690
NSN 6620-01-423-0833
NSN 5990-01-254-3197
NSN 6645-01-430-4125