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 6130-00-383-0537
NSN 5996-01-407-3777
NSN 4140-01-444-0543
NSN 5945-01-093-8497
NSN 6240-01-643-6541
NSN 5975-01-378-2320
NSN 7035-00-283-3112
NSN 2925-01-603-0186
NSN 7035-01-271-1643
NSN 6110-00-734-4692
NSN 6645-01-440-8624
NSN 5990-01-255-7387