4240-00-086-7047 BREATHING APPARATUS,SELF-CONTAINED Index 3110-00-086-7051 SEAT,BEARING

National Stock Number:
5310-00-086-7048

Federal Supply Class:
5310

National Item Identification Number:
000867048

Description:
WASHER,RECESSED

Detail:
A WASHER OF ANY PERIPHERAL SHAPE HAVING A CENTRALLY LOCATED HOLE. BOTH BEARING SURFACES ARE PARALLEL AND FLAT, BUT ONE OR BOTH OF THE BEARING SURFACES MUST BE BROKEN BY A COUNTERBORE, COUNTERSINK, OR SIMILARLY SHAPED RECESS. THE THICKNESS MUST NOT EXCEED 25 PER CENT OF THE OUTSIDE DIAMETER OR THE LARGEST OUTSIDE DIMENSION. THE MAXIMUM LIMIT OF THE TOLERANCE OR RANGE APPLIED TO THE THICKNESS AND/OR LARGEST OUTSIDE DIMENSION MUST BE USED TO DETERMINE COMPLIANCE. EXCLUDES WASHER, CONCAVE, RETAINER, PACKING, AND THRUST TYPE WASHERS. SEE ALSO SPACER, SLEEVE; AND SPACER, STEPPED.


Manufacturer Information:
2-160-273-0199193HONEYWELL INTERNATIONAL INC.


Techincal Specification:
BOTTOM RECESS ANGLE120.0 DEGREES NOMINAL
BOTTOM RECESS DIAMETER0.370 INCHES MINIMUM AND 0.390 INCHES MAXIMUM
HEAT TREATMENTF-AS FABRICATED
HOLE DIAMETER0.320 INCHES MINIMUM AND 0.330 INCHES MAXIMUM
OUTSIDE DIAMETER1.070 INCHES MINIMUM AND 1.090 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONAMS4027 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL THICKNESS0.058 INCHES MINIMUM AND 0.062 INCHES MAXIMUM
MATERIALALUMINUM ALLOY OVERALL
STYLE DESIGNATORRECESSED BOTH SIDES
SURFACE FINISH63.0 MICROINCHES ALL SURFACES
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONAMS2470 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTANODIZE OVERALL
TOP RECESS ANGLE120.0 DEGREES NOMINAL
TOP RECESS DIAMETER0.370 INCHES MINIMUM AND 0.390 INCHES MAXIMUM


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