5306-00-930-4117 BOLT,EXTERNALLY RELIEVED BODY Index 5310-00-930-4119 WASHER,RECESSED

National Stock Number:
5310-00-930-4118

Federal Supply Class:
5310

National Item Identification Number:
009304118

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:
12P4144-781755LOCKHEED MARTIN CORPORATION
LM12P414481755LOCKHEED MARTIN CORPORATION


Techincal Specification:
MATERIALTITANIUM ALLOY UNS R54520 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-T-9047 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
STYLE DESIGNATORRECESSED BOTH SIDES
HOLE DIAMETER0.640 INCHES NOMINAL
OUTSIDE DIAMETER1.183 INCHES MINIMUM AND
1.208 INCHES MAXIMUM
MATERIAL THICKNESS0.150 INCHES MINIMUM AND
0.155 INCHES MAXIMUM
TOP RECESS DIAMETER0.740 INCHES NOMINAL
BOTTOM RECESS DIAMETER0.740 INCHES NOMINAL
BOTTOM RECESS ANGLE90.0 DEGREES NOMINAL
TOP RECESS ANGLE90.0 DEGREES NOMINAL
THE MANUFACTURERS DATA
MANUFACTURERS CODE81755
DESIGN CONTROL REFERENCE12P4144-7


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