5310-01-170-6270 WASHER,RECESSED Index 5310-01-170-6272 WASHER,SHOULDERED AND RECESSED

National Stock Number:
5310-01-170-6271

Federal Supply Class:
5310

National Item Identification Number:
011706271

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:
514357-137695RAYTHEON COMPANY


Techincal Specification:
HOLE DIAMETER0.261 INCHES NOMINAL
OUTSIDE DIAMETER0.687 INCHES NOMINAL
MATERIAL THICKNESS0.250 INCHES NOMINAL
MATERIALPLASTIC ACETAL OVERALL
RECESS DEPTH0.120 INCHES NOMINAL
RECESS DIAMETER0.438 INCHES NOMINAL
SHOULDER DIAMETER0.490 INCHES MINIMUM AND 0.500 INCHES MAXIMUM
SHOULDER HEIGHT0.055 INCHES NOMINAL
SPECIAL FEATURESWIDTH OF SHOULDER 0.458 IN. MIN,0.468 IN. MAX


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