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 6320-01-512-2031
NSN 2925-00-024-6392
NSN 2925-01-525-2892
NSN 6220-01-257-7475
NSN 6240-01-055-0801
NSN 6150-00-816-3467
NSN 6650-00-702-3560
NSN 5950-01-069-0733
NSN 5915-00-288-0071
NSN 5975-01-219-5735
NSN 6685-00-003-3378
NSN 5950-01-416-6476