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 6645-00-397-2210
NSN 6610-00-836-7397
NSN 5960-01-010-3083
NSN 4140-01-432-0292
NSN 6240-01-265-6958
NSN 6620-01-408-0825
NSN 5925-01-323-5784
NSN 5975-01-044-5722
NSN 5925-01-557-6895
NSN 6620-00-925-7767
NSN 5975-00-209-6498
NSN 4140-01-281-0120