5310-01-253-3725 WASHER,RECESSED Index 5310-01-253-3727 WASHER,RECESSED

National Stock Number:
5310-01-253-3726

Federal Supply Class:
5310

National Item Identification Number:
012533726

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:
5544138-353711NAVAL SEA SYSTEMS COMMAND


Techincal Specification:
MATERIALSTEEL COMP 1330 OR
STEEL COMP 4130 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD ALL MATERIAL RESPONSES OVERALL
STYLE DESIGNATORRECESSED
HOLE DIAMETER0.315 INCHES MINIMUM AND
0.324 INCHES MAXIMUM
OUTSIDE DIAMETER0.583 INCHES MINIMUM AND
0.603 INCHES MAXIMUM
RECESS DIAMETER0.396 INCHES MINIMUM AND
0.406 INCHES MAXIMUM
MATERIAL THICKNESS0.068 INCHES MINIMUM AND
0.088 INCHES MAXIMUM
RECESS ANGLE89.0 DEGREES MINIMUM AND
91.0 DEGREES MAXIMUM
SPECIAL FEATURESCOATED,MIL-C-81751,TY 1,CL 4
MINIMUM TENSILE STRENGTH125000 POUNDS PER SQUARE INCH
PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT


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