5310-00-173-2881 WASHER,RECESSED Index 2805-00-173-2883 TAPPET,ENGINE POPPET VALVE

National Stock Number:
5310-00-173-2882

Federal Supply Class:
5310

National Item Identification Number:
001732882

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:
180789-171791CURTISS-WRIGHT CONTROLS, INC.


Techincal Specification:
HOLE DIAMETER0.805 INCHES MINIMUM AND 0.806 INCHES MAXIMUM
OUTSIDE DIAMETER1.100 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-B-750,COMP A,SPRING FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIAL THICKNESS0.040 INCHES MINIMUM AND 0.045 INCHES MAXIMUM
MATERIALCOPPER ALLOY OVERALL
PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT
SHOULDER DIAMETER0.980 INCHES NOMINAL
SHOULDER HEIGHT0.040 INCHES NOMINAL
STYLE DESIGNATORSHOULDERED
SURFACE FINISH32.0 MICROINCHES BOTTOM
SURFACE FINISH32.0 MICROINCHES TOP


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