5310-00-846-3919 WASHER,FLAT Index 2530-00-846-3921 FLANGE

National Stock Number:
5310-00-846-3920

Federal Supply Class:
5310

National Item Identification Number:
008463920

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:
K610013-1384955KAMAN AEROSPACE CORPORATION


Techincal Specification:
HOLE DIAMETER1.750 INCHES NOMINAL
OUTSIDE DIAMETER2.900 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-A-6758 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIAL THICKNESS0.035 INCHES NOMINAL
MATERIALSTEEL COMP 4130 OVERALL
SHOULDER DIAMETER2.500 INCHES NOMINAL
SHOULDER HEIGHT0.065 INCHES NOMINAL
STYLE DESIGNATORSHOULDERED
SURFACE TREATMENTPASSIVATE OVERALL


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