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 5935-01-570-6439
NSN 5985-00-285-8466
NSN 5925-00-971-2126
NSN 6645-00-616-1289
NSN 6145-00-275-4046
NSN 6130-01-252-8823
NSN 5915-00-471-3728
NSN 5905-00-359-9325
NSN 6145-00-421-0968
NSN 6135-01-054-2462
NSN 6135-00-945-0015
NSN 6220-01-187-7119