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 5985-00-578-4272
NSN 5915-01-469-6409
NSN 5920-01-521-6928
NSN 6110-01-642-2116
NSN 6105-01-381-0411
NSN 5960-00-335-3394
NSN 5985-01-243-1669
NSN 6320-01-148-8125
NSN 6145-01-326-9290
NSN 6135-00-933-4293
NSN 2925-01-029-5300
NSN 2925-00-773-7217