5310-01-323-2918 WASHER,FLAT Index 5310-01-323-2920 WASHER,FLAT

National Stock Number:
5310-01-323-2919

Federal Supply Class:
5310

National Item Identification Number:
013232919

Description:
WASHER,RECESSED

Detail:
A WASHER OF ANY PERIPHERAL SHAPE HAVING A CENTRALLY LOCATED HOLE. BOTH BEARING SURFACES ARE PARALLEL AND FLAT, BUT ONE OR BOTH OF THE BEARING SURFACES MUST BE BROKEN BY A COUNTERBORE, COUNTERSINK, OR SIMILARLY SHAPED RECESS. THE THICKNESS MUST NOT EXCEED 25 PER CENT OF THE OUTSIDE DIAMETER OR THE LARGEST OUTSIDE DIMENSION. THE MAXIMUM LIMIT OF THE TOLERANCE OR RANGE APPLIED TO THE THICKNESS AND/OR LARGEST OUTSIDE DIMENSION MUST BE USED TO DETERMINE COMPLIANCE. EXCLUDES WASHER, CONCAVE, RETAINER, PACKING, AND THRUST TYPE WASHERS. SEE ALSO SPACER, SLEEVE; AND SPACER, STEPPED.


Manufacturer Information:
1460M38P0107482GENERAL ELECTRIC COMPANY


Techincal Specification:
MATERIALSTEEL COMP 4340 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 6414 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENTOIL OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-L-6085 MIL SPEC SINGLE TREATMENT RESPONSE OR
MIL-C-16173,GR 3 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING38.0 ROCKWELL C MINIMUM AND
46.0 ROCKWELL C MAXIMUM
HOLE DIAMETER0.789 INCHES MINIMUM AND
0.791 INCHES MAXIMUM
OUTSIDE DIAMETER1.500 INCHES MINIMUM AND
1.520 INCHES MAXIMUM
MATERIAL THICKNESS0.277 INCHES MINIMUM AND
0.279 INCHES MAXIMUM


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