items are being coded as critical to insure source inspection will be performed at the point of manufacture, prior to material receipt by the us navy or other dod components. these items are piece parts or end items in support of vital military hardware necessary to sustain the successful mission of the ships, submarines,
Used on family of hemtt vehicles (heavy expanded mobility tactical trucks). 0.640" hole diameter 1.045" outside diameter 0.045" material thickness flat external teeth