National Stock Number: 5340-00-734-8210
  Federal Supply Class: 5340
  National Item Identification Number: 007348210
  Description: HINGE,BUTT
  Detail: A hinge usually with rectangularly shaped leaves. The dimension parallel to the hinge pin must be greater than the dimension transverse to the hinge pin. It may have a tension coil spring at its pivot(s) for closing action, and may have a third member between its pivot(s) to permit the door, or the like, to swing in an arc from either side. 
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