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 5990-00-983-1813
NSN 5965-00-575-4089
NSN 6220-00-116-4289
NSN 4140-01-415-3363
NSN 5965-01-050-8447
NSN 6130-01-625-8811
NSN 5925-01-594-1873
NSN 5935-00-049-1940
NSN 5960-00-932-3067
NSN 4140-01-314-0235
NSN 5960-01-097-0083
NSN 6685-00-006-6142