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 5945-00-107-0747
NSN 5990-01-313-5543
NSN 5905-01-354-5132
NSN 5985-00-727-5293
NSN 5925-01-188-2512
NSN 5930-01-291-4464
NSN 5975-00-858-6488
NSN 6145-01-617-5866
NSN 6320-00-186-6452
NSN 7035-00-076-4097
NSN 6110-01-510-4595
NSN 5915-01-259-5705