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.
NSN 5975-01-119-8454
NSN 5835-01-227-4752
NSN 6320-01-571-8974
NSN 6105-01-254-2722
NSN 6685-01-202-6801
NSN 5915-00-153-0002
NSN 6110-01-383-2161
NSN 6130-01-367-0782
NSN 5930-00-316-2752
NSN 2925-01-359-9818
NSN 6110-01-487-4532
NSN 5990-01-609-4793