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 6240-00-416-6140
NSN 6130-00-153-3136
NSN 5855-01-160-3802
NSN 6320-00-553-8427
NSN 2925-01-485-6262
NSN 7035-01-085-5955
NSN 5975-00-011-3714
NSN 6685-01-414-5516
NSN 6220-00-136-3009
NSN 6135-01-111-1495
NSN 5990-01-443-2931
NSN 6145-01-615-6436