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:
MATERIALALUMINUM ALLOY 5052 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-250/8 TEMPER O FED SPEC SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENTANODIZE OR
CHROMATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625 MIL SPEC 1ST TREATMENT RESPONSE OR
MIL-C-5541 MIL SPEC 2ND TREATMENT RESPONSE OVERALL
COLORORANGE OVERALL
STYLE DESIGNATORFINISHING
HOLE DIAMETER0.163 INCHES MINIMUM AND
0.178 INCHES MAXIMUM
OUTSIDE DIAMETER0.505 INCHES MINIMUM AND
0.561 INCHES MAXIMUM
RECESS DIAMETER0.251 INCHES NOMINAL
MATERIAL THICKNESS0.008 INCHES NOMINAL
RECESS ANGLE99.0 DEGREES MINIMUM AND
101.0 DEGREES MAXIMUM
SPECIFICATION/STANDARD DATA43999-LD153-0015 MANUFACTURERS STANDARD
THE MANUFACTURERS DATA
MANUFACTURERS CODE43999
DESIGN CONTROL REFERENCELD153-0015-0007


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