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 6620-01-033-6852
NSN 6650-00-782-4624
NSN 5960-00-683-5372
NSN 5905-01-080-2166
NSN 5910-00-455-0869
NSN 5920-01-506-5516
NSN 5950-01-495-0873
NSN 5915-01-359-1429
NSN 5930-00-814-4938
NSN 5915-01-564-7706
NSN 5960-01-624-1170
NSN 6110-01-148-0316