5310-00-622-7422 WASHER,RECESSED Index 5310-00-622-7426 WASHER,RECESSED

National Stock Number:
5310-00-622-7425

Federal Supply Class:
5310

National Item Identification Number:
006227425

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:
6-55097-381205THE BOEING COMPANY


Techincal Specification:
HARDNESS RATING34.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM
HEAT TREATMENTNORMALIZED
HOLE DIAMETER0.500 INCHES MINIMUM AND 0.504 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-5626 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 4140 OVERALL
PROPRIETARY CHARACTERISTICSPACS
OUTSIDE DIAMETER1.100 INCHES MINIMUM AND 1.120 INCHES MAXIMUM
OVERALL HEIGHT0.280 INCHES MINIMUM AND 0.320 INCHES MAXIMUM
RECESS ANGLE45.0 DEGREES NOMINAL
RECESS DIAMETER0.705 INCHES MINIMUM AND 0.711 INCHES MAXIMUM
SURFACE FINISH63.0 MICROINCHES INNER
SURFACE FINISH63.0 MICROINCHES OUTER


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