5310-01-143-1770 WASHER,FLAT Index 5310-01-143-1772 WASHER,SPRING TENSION

National Stock Number:
5310-01-143-1771

Federal Supply Class:
5310

National Item Identification Number:
011431771

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:
10109792A486GNIMIKKEISTOKESKUS NCB FINLAND
74B110054-200158009MOELLER MANUFACTURING & SUPPLY, LLC
74B110054-200176301THE BOEING COMPANY


Techincal Specification:
HOLE DIAMETER0.314 INCHES NOMINAL
OUTSIDE DIAMETER0.938 INCHES NOMINAL
OVERALL HEIGHT0.153 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-6721 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIAL THICKNESS0.016 INCHES NOMINAL
MATERIALSTEEL CORROSION RESISTING OVERALL
RECESS DIAMETER0.635 INCHES NOMINAL
RECESS ANGLE101.0 DEGREES NOMINAL
STYLE DESIGNATORFINISHING
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-S-5002 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL


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