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
OUTSIDE DIAMETER0.521 INCHES MINIMUM AND 0.541 INCHES MAXIMUM
OVERALL HEIGHT0.092 INCHES MINIMUM AND 0.112 INCHES MAXIMUM
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
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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