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 5950-01-254-5791
NSN 5930-00-432-8574
NSN 6110-00-879-0810
NSN 6135-01-463-2445
NSN 4140-01-568-7240
NSN 5965-01-657-1503
NSN 6145-01-375-3543
NSN 6110-00-107-0437
NSN 5985-01-163-4393
NSN
NSN 5925-01-585-0453
NSN 2925-01-573-1067