5310-00-917-2888 WASHER,SPECIAL Index 5310-00-917-2890 NUT,PLAIN,SLOTTED,HEXAGON

National Stock Number:
5310-00-917-2889

Federal Supply Class:
5310

National Item Identification Number:
009172889

Description:
WASHER,SHOULDERED AND RECESSED

Detail:
A washer, round in shape, having a centrally located hole. One bearing surface is flat, the other surface is in the form of a raised shoulder (boss) having a flat bearing surface. Either or both of the bearing surfaces must be broken by a counterbore, countersink, or similar shaped recess. 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:
48411704861COOPER INDUSTRIES INC COOPER PETROLEUM EQUIPMENT DIV SUNNYVALE OPERATION
48411761062COMET MFG CO INC
48411777445RTX CORPORATION
48411797139THE SLABE MACHINE PRODUCTS LLC


Techincal Specification:
MATERIALSTEEL COMP 410 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5613 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
HARDNESS RATING25.0 ROCKWELL C MINIMUM AND
38.0 ROCKWELL C MAXIMUM
STYLE DESIGNATORSHOULDERED AND RECESSED
HOLE DIAMETER0.276 INCHES MINIMUM AND
0.286 INCHES MAXIMUM
SHOULDER DIAMETER0.630 INCHES MINIMUM AND
0.650 INCHES MAXIMUM
OUTSIDE DIAMETER0.860 INCHES MINIMUM AND
0.880 INCHES MAXIMUM
RECESS DIAMETER0.505 INCHES MINIMUM AND
0.515 INCHES MAXIMUM
SHOULDER HEIGHT0.170 INCHES NOMINAL
RECESS DEPTH0.170 INCHES MINIMUM AND
0.190 INCHES MAXIMUM
MATERIAL THICKNESS0.070 INCHES MINIMUM AND
0.090 INCHES MAXIMUM
SURFACE FINISH63.0 MICROINCHES TOP
60.0 MICROINCHES BOTTOM
63.0 MICROINCHES OUTER
63.0 MICROINCHES SHOULDER FACE
THE MANUFACTURERS DATA
MANUFACTURERS CODE77445
DESIGN CONTROL REFERENCE484117


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