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 5985-00-557-4108
NSN 5975-01-370-3979
NSN 6145-01-032-9382
NSN 5895-01-525-7645
NSN 2925-01-372-9455
NSN 6135-00-471-5356
NSN 5975-00-175-0586
NSN 6220-01-044-5552
NSN 5915-01-632-7216
NSN 6150-00-514-3040
NSN 5920-00-237-4759
NSN 5905-01-406-3485