5310-01-127-8538 WASHER,FLAT Index 5310-01-127-8541 WASHER,SHOULDERED

National Stock Number:
5310-01-127-8540

Federal Supply Class:
5310

National Item Identification Number:
011278540

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:
201-4684481 ITEM 1353711NAVAL SEA SYSTEMS COMMAND


Techincal Specification:
HOLE DIAMETER3.020 INCHES NOMINAL
OUTSIDE DIAMETER6.000 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-281 CLASS A FORM 1 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIAL THICKNESS0.250 INCHES NOMINAL
MATERIALNICKEL ALLOY 400 OVERALL
SHOULDER DIAMETER3.900 INCHES NOMINAL
SHOULDER HEIGHT0.190 INCHES NOMINAL
STYLE DESIGNATORSHOULDERED


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