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 5895-00-054-9388
NSN 2925-00-221-8529
NSN 5920-01-053-6507
NSN 4140-01-248-2606
NSN 5855-01-120-7831
NSN 6150-01-262-2277
NSN 5855-00-973-5717
NSN 5990-00-136-4182
NSN 5975-00-966-7706
NSN 6645-01-101-2877
NSN 5985-01-168-8313
NSN 5895-01-583-9079