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 5920-01-270-2171
NSN 2925-01-097-0903
NSN 6150-01-080-5693
NSN 5835-01-504-0837
NSN 6620-01-071-6020
NSN 5930-01-538-9320
NSN 5975-01-273-8144
NSN 6130-01-102-6812
NSN 5915-01-097-0459
NSN 6240-01-561-5351
NSN 6110-01-329-1672
NSN 6220-01-303-4577