5310-01-086-4926 WASHER,FLAT Index 5310-01-086-4928 WASHER,RECESSED

National Stock Number:
5310-01-086-4927

Federal Supply Class:
5310

National Item Identification Number:
010864927

Description:
WASHER,FINISHING

Detail:
A WASHER OR CONE OR DISK SHAPE WITH A CENTRALLY LOCATED HOLE, DESIGNED TO ACCOMMODATE A FLAT OR OVAL HEAD SCREW AND PROVIDE ADDITIONAL BEARING AREA ON THE MATERIAL BEING FASTENED. IT MAY OR MAY NOT HAVE A FLUSH FLANGE FEATURE.


Manufacturer Information:
LD153-0015-000743999THE BOEING COMPANY


Techincal Specification:
COLORORANGE OVERALL
HOLE DIAMETER0.163 INCHES MINIMUM AND 0.178 INCHES MAXIMUM
OUTSIDE DIAMETER0.505 INCHES MINIMUM AND 0.561 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-250/8 TEMPER O FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIAL THICKNESS0.008 INCHES NOMINAL
MATERIALALUMINUM ALLOY 5052 OVERALL
RECESS ANGLE99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
RECESS DIAMETER0.251 INCHES NOMINAL
SPECIFICATION/STANDARD DATA43999-LD153-0015 MANUFACTURERS STANDARD
STYLE DESIGNATORFINISHING
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625 MIL SPEC 1ST TREATMENT RESPONSE OR MIL-C-5541 MIL SPEC 2ND TREATMENT RESPONSE OVERALL
SURFACE TREATMENTANODIZE OR CHROMATE OVERALL


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