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 5950-00-819-5577
NSN 2925-01-218-5556
NSN 5910-01-347-5587
NSN 5985-01-147-7872
NSN 6645-01-091-9363
NSN 6240-01-420-2364
NSN 6220-01-467-2543
NSN 5835-00-148-6026
NSN 5960-00-985-9059
NSN 6130-01-116-9582
NSN 5990-00-033-8128
NSN 5835-01-359-2575