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		                        | National Stock Number:
 5310-01-025-7773
 
 Federal Supply Class:
 5310
 
 National Item Identification Number:
 010257773
 
 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:
 
 | 80-620-1 | 97153 | GOODRICH CORPORATION | 
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 Techincal Specification:
 
 | SURFACE TREATMENT | OXIDE FILM OVERALL |  | STYLE DESIGNATOR | SHOULDERED AND RECESSED |  | HOLE DIAMETER | 0.150 INCHES NOMINAL |  | SHOULDER DIAMETER | 0.710 INCHES NOMINAL |  | SHOULDER HEIGHT | 0.050 INCHES NOMINAL |  | MATERIAL THICKNESS | 0.050 INCHES NOMINAL |  | RECESS ANGLE | 45.0 DEGREES NOMINAL |  | PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT | 
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