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 5945-00-003-9155
NSN 5965-01-273-3055
NSN 2925-01-290-4562
NSN 5996-00-196-1913
NSN 5950-00-660-9497
NSN 5990-01-612-5323
NSN 5855-01-223-0833
NSN 5925-00-069-8985
NSN 5985-01-528-4060
NSN 6240-01-223-0115
NSN 6220-00-655-2863
NSN 6130-01-468-1450