5310-01-272-9987 WASHER,LOCK Index 5310-01-272-9989 WASHER,SPRING TENSION

National Stock Number:
5310-01-272-9988

Federal Supply Class:
5310

National Item Identification Number:
012729988

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:
2640-390X2 PIECE 796169ELECTRIC BOAT CORPORATION
845-2050957 PIECE 780064NAVAL SHIP SYSTEMS COMMAND
SS845-2050957 PIECE 780064NAVAL SHIP SYSTEMS COMMAND


Techincal Specification:
BOTTOM RECESS ANGLE90.0 DEGREES NOMINAL
BOTTOM RECESS DIAMETER2.823 INCHES NOMINAL
HOLE DIAMETER2.625 INCHES NOMINAL
OUTSIDE DIAMETER4.001 INCHES MINIMUM AND 4.002 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-C-465 FED SPEC ALL MATERIAL RESPONSES OVERALL
MATERIAL THICKNESS0.719 INCHES NOMINAL
MATERIALCOPPER ALLOY 606 OR COPPER ALLOY 614 OR COPPER ALLOY 630 OR COPPER ALLOY 642 OVERALL
PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT
STYLE DESIGNATORRECESSED BOTH SIDES
TOP RECESS ANGLE90.0 DEGREES NOMINAL
TOP RECESS DIAMETER2.823 INCHES NOMINAL


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