No other part numbers with same form, fit, and function found.
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.
Classification: Gaskets, washers and other seals, of vulcanized rubber other than hard rubber
NSN 6620-01-178-4771
NSN 5950-00-306-0383
NSN 4140-00-838-5976
NSN 5950-01-587-8572
NSN 5950-00-058-7591
NSN 6240-00-646-6931
NSN 5945-01-660-0718
NSN 5950-01-087-2031
NSN 7035-01-227-2546
NSN 6150-00-174-8611
NSN 5950-01-152-1936
NSN 6610-01-485-3074