A circular shaped item with an aperture manufactured to predetermined dimensions, constructed with a rectangular cross section that may be solid, with joint, or in a helical form that facilitates spiral wrap installation. It prevents seal extrusion under pressure and is designed to fit on the down-pressure side of a gland groove with a packing, preformed or o-ring.
Classification: Parts of armored fighting vehicles,motorized, whether or not fitted with weapons
NSN 7035-01-085-5955
NSN 6105-01-346-5509
NSN 5835-01-618-7621
NSN 6685-01-071-7848
NSN 5935-01-211-6648
NSN 6685-00-690-4416
NSN 5990-01-548-5979
NSN 5996-00-161-4202
NSN 5910-01-433-0142
NSN 5999-00-855-7641
NSN 2925-01-178-0063
NSN 5965-01-093-0642