5310-01-197-4491 WASHER,RECESSED Index 5307-01-197-4493 STUD,SHOULDERED

National Stock Number:
5310-01-197-4492

Federal Supply Class:
5310

National Item Identification Number:
011974492

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.


Manufacturer Information:
102-6818-161361REXWORKS INC


Techincal Specification:
HOLE DIAMETER3.188 INCHES MINIMUM AND 3.190 INCHES MAXIMUM
OUTSIDE DIAMETER4.938 INCHES NOMINAL
MATERIAL THICKNESS0.375 INCHES NOMINAL
MATERIALSTEEL OVERALL
RECESS ANGLE90.0 DEGREES NOMINAL
RECESS DIAMETER4.250 INCHES NOMINAL
SHOULDER DIAMETER3.625 INCHES NOMINAL
SHOULDER HEIGHT0.306 INCHES MINIMUM AND 0.308 INCHES MAXIMUM
STYLE DESIGNATORSHOULDERED AND RECESSED


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