5305-00-558-9298 SCREW,MACHINE Index 5310-00-558-9305 WASHER,FLAT

National Stock Number:
5310-00-558-9304

Federal Supply Class:
5310

National Item Identification Number:
005589304

Description:
WASHER,SHOULDERED

Detail:
A WASHER, ROUND IN SHAPE, AND HAVING A CENTRALLY LOCATED HOLE. ONE BEARING SURFACE IS FLAT AND UNBROKEN, THE OTHER SURFACE IS IN THE FORM OF A RAISED SHOULDER (BOSS) HAVING A FLAT BEARING SURFACE. 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:
51886273030HAMILTON SUNDSTRAND CORPORATION


Techincal Specification:
HARDNESS RATING78.0 ROCKWELL B NOMINAL
HEAT TREATMENTT-6 SOLUTION HEAT TREATED, ARTIFICALLY AGED
HOLE DIAMETER0.350 INCHES MINIMUM AND 0.370 INCHES MAXIMUM
OUTSIDE DIAMETER0.555 INCHES MINIMUM AND 0.559 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIAL THICKNESS0.020 INCHES MINIMUM AND 0.025 INCHES MAXIMUM
MATERIALALUMINUM ALLOY 2014 OVERALL
SHOULDER HEIGHT0.050 INCHES MINIMUM AND 0.065 INCHES MAXIMUM
SHOULDER DIAMETER0.485 INCHES MINIMUM AND 0.489 INCHES MAXIMUM
STYLE DESIGNATORSHOULDERED
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONAMS2470 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTANODIZE OVERALL


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