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 5990-01-419-0661
NSN 6320-00-504-1214
NSN 5910-00-013-2227
NSN 5975-01-284-8669
NSN 5996-01-326-4115
NSN 6650-00-526-7785
NSN 5930-00-835-9292
NSN 6220-01-592-1479
NSN 5910-00-006-3033
NSN 6240-01-580-9691
NSN 6610-01-556-2353
NSN 5910-01-136-8191