5130-00-955-0189 DRILL,ELECTRIC,PORTABLE Index 9310-00-955-0217 PAPER,INDEX

National Stock Number:
5310-00-955-0207

Federal Supply Class:
5310

National Item Identification Number:
009550207

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:
MS27129-796906MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
HOLE DIAMETER0.187 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-B-613,1/4 OR 1/2 HARD FED SPEC ALL MATERIAL RESPONSES OVERALL
MATERIAL THICKNESS0.011 INCHES MINIMUM AND 0.017 INCHES MAXIMUM
MATERIALCOPPER ALLOY 260 OR COPPER ALLOY 268 OVERALL
OUTSIDE DIAMETER0.521 INCHES MINIMUM AND 0.541 INCHES MAXIMUM
OVERALL HEIGHT0.092 INCHES MINIMUM AND 0.112 INCHES MAXIMUM
STYLE DESIGNATORFINISHING
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-C-320,CLASS 1 FED SPEC 1ST TREATMENT RESPONSE OR QQ-N-290,CLASS 1 FED SPEC 2ND TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCHROMIUM OR NICKEL OVERALL


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