5310-01-171-3421 WASHER,FLAT Index 5310-01-171-3425 WASHER,RECESSED

National Stock Number:
5310-01-171-3424

Federal Supply Class:
5310

National Item Identification Number:
011713424

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:
ACO44096K1037MEGGITT AEROSPACE LIMITED


Techincal Specification:
HOLE DIAMETER0.196 INCHES MINIMUM AND 0.200 INCHES MAXIMUM
OUTSIDE DIAMETER0.600 INCHES MINIMUM AND 0.610 INCHES MAXIMUM
OVERALL HEIGHT0.100 INCHES MINIMUM AND 0.110 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONL111,FSCM K1037 MFR REF SINGLE MATERIAL RESPONSE OVERALL
MATERIALALUMINUM ALLOY OVERALL
RECESS DEPTH0.060 INCHES MINIMUM AND 0.070 INCHES MAXIMUM
RECESS DIAMETER0.310 INCHES MINIMUM AND 0.315 INCHES MAXIMUM
SPECIAL FEATURESCHAMFER ID 0.020 IN. BY 45 DEG
STYLE DESIGNATORRECESSED
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONDEF151-2,FSCM K1037 MFR REF SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTANODIZE OVERALL


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