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 5990-00-444-9993
NSN 6610-01-027-8736
NSN 5985-00-542-0597
NSN 6610-01-630-7202
NSN 5950-00-247-2376
NSN 6145-01-472-6319
NSN 5999-00-136-7120
NSN 5975-00-756-8311
NSN 5925-00-116-4888
NSN 5855-01-249-8456
NSN 5855-01-007-9541