Outside diameter is 0.500 in.
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 5895-01-322-5563
NSN 5975-01-255-5348
NSN 5895-01-608-5635
NSN 6130-01-081-8157
NSN 6135-01-285-1925
NSN 6685-01-237-7993
NSN 5915-01-408-6299
NSN 5895-00-565-8827
NSN 6685-01-186-2008
NSN 5920-01-112-0296
NSN 6650-01-539-6634
NSN 5895-00-465-2117