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 5905-01-139-3828
NSN 2925-01-539-4486
NSN 5910-01-086-2771
NSN 7035-01-497-8958
NSN 5998-01-003-5610
NSN 5990-01-287-9447
NSN 5999-01-443-5379
NSN 5945-01-450-4840
NSN 6320-00-977-3930
NSN 5975-01-389-5823
NSN 5990-00-147-3144
NSN 5996-01-231-2062