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 5930-01-280-9201
NSN 2925-01-281-6403
NSN 5920-00-070-8712
NSN 5998-01-370-3464
NSN 6135-01-116-3385
NSN 6110-01-130-2387
NSN 5975-01-273-0971
NSN 5998-01-029-4662
NSN 6650-00-367-9230
NSN 6135-01-461-2915
NSN 5925-01-056-5127
NSN 6220-01-206-5171