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 6645-01-337-8292
NSN 5835-01-471-5848
NSN 5950-01-460-1221
NSN 5985-00-888-7249
NSN 5975-01-148-7686
NSN 5990-00-754-8135
NSN 6105-01-634-0322
NSN 5950-00-669-8565
NSN 5990-00-149-8181
NSN 2925-01-047-7134
NSN 5990-01-333-2294
NSN 6130-01-548-5371