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 5950-01-658-5757
NSN 4140-00-196-3638
NSN 6110-01-062-9930
NSN 6620-01-326-7222
NSN 2925-01-474-3363
NSN 5985-01-514-0741
NSN 5935-01-240-8187
NSN 6135-00-993-6823
NSN 5945-00-313-9512
NSN 5998-01-439-7272
NSN 6320-01-232-4664
NSN 6105-00-853-8662