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 5910-00-105-2145
NSN 5945-00-908-0438
NSN 6135-00-967-3112
NSN 5996-01-480-7535
NSN 6150-01-185-6471
NSN 2925-00-540-9918
NSN 6135-01-392-6166
NSN 5930-01-180-9283
NSN 6685-01-109-7208
NSN 5950-01-408-8276
NSN 5925-01-246-3703
NSN 5990-01-438-8228