5310-01-121-8526 WASHER,RECESSED Index 5310-01-121-8528 WASHER,SHOULDERED AND RECESSED

National Stock Number:
5310-01-121-8527

Federal Supply Class:
5310

National Item Identification Number:
011218527

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:
1226809919207U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM


Techincal Specification:
MATERIALSTEEL COMP 4140 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
HARDNESS RATING26.0 ROCKWELL C MINIMUM AND
32.0 ROCKWELL C MAXIMUM
STYLE DESIGNATORSHOULDERED
HOLE DIAMETER5.482 INCHES NOMINAL
SHOULDER DIAMETER6.008 INCHES MINIMUM AND
6.009 INCHES MAXIMUM
OUTSIDE DIAMETER6.300 INCHES NOMINAL
SHOULDER HEIGHT1.090 INCHES NOMINAL
MATERIAL THICKNESS0.245 INCHES MINIMUM AND
0.255 INCHES MAXIMUM
SPECIAL FEATURESCHAMFERED OUTSIDE ON LEFT SIDE OF BOSS 15.0 DEGREES,LENGTH OF CHAMFER 0.060 IN.


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