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 6645-01-270-6806
NSN 4140-00-005-2093
NSN 5996-01-273-1972
NSN 5915-01-285-5316
NSN 5985-00-152-6507
NSN 5950-01-545-8396
NSN 5996-01-195-8596
NSN 5999-00-190-9995
NSN 6110-01-659-4413
NSN 5925-00-386-8532
NSN 6240-01-420-6495
NSN 5950-01-204-4637