Material is rubber butadiene-acrylonitrile class nbr and cork
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 6610-01-415-1623
NSN 6145-01-170-3797
NSN 6610-01-168-9713
NSN 2925-01-415-0264
NSN 6135-01-462-6040
NSN 5950-00-806-3425
NSN 6150-01-085-9111
NSN 5950-00-233-7275
NSN 5975-01-014-7231
NSN 6645-01-053-3185
NSN 5930-01-606-5942
NSN 5920-00-296-9454