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		                             National Stock Number: 5310-00-158-8728
  Federal Supply Class: 5310
  National Item Identification Number: 001588728
  Description: WASHER,SHOULDERED AND RECESSED
  Detail: A washer, round in shape, having a centrally located hole. One bearing surface is flat, the other surface is in the form of a raised shoulder (boss) having a flat bearing surface. Either or both of the bearing surfaces must be broken by a counterbore, countersink, or similar shaped recess. The thickness of the shoulder (boss) must not exceed 25 percent of the shoulder (boss) diameter. For items having a shoulder (boss) of greater thickness, use BEARING, SLEEVE; BUSHING, SLEEVE; or SPACER, SLEEVE. Excludes INSULATOR, WASHER and thrust type washers. 
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  Manufacturer Information:
 | 202-16200S4 | 80378 | TRIUMPH AEROSTRUCTURES, LLC |   
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