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 6240-01-363-5729
NSN 4140-01-659-5778
NSN 5960-00-895-0542
NSN 5975-01-109-8593
NSN 6135-00-231-7257
NSN 6650-00-863-5657
NSN 6645-00-230-4396
NSN 5996-01-411-8644
NSN 5990-01-054-3332
NSN 5985-00-554-9730
NSN 6685-01-299-9118
NSN 5910-00-159-7449