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National Stock Number: 5310-01-562-7730
Federal Supply Class: 5310
National Item Identification Number: 015627730
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.
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Manufacturer Information:
LS35240C-6 | 98897 | LOCKHEED MARTIN CORP |
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Techincal Specification:
HOLE DIAMETER | 0.410 INCHES MINIMUM AND 0.415 INCHES MAXIMUM | OUTSIDE DIAMETER | 0.702 INCHES MINIMUM AND 0.712 INCHES MAXIMUM | MATERIAL THICKNESS | 0.071 INCHES MINIMUM AND 0.085 INCHES MAXIMUM | MATERIAL | STEEL COMP 4130 OVERALL | RECESS ANGLE | 44.0 DEGREES MINIMUM AND 46.0 DEGREES MAXIMUM | RECESS DIAMETER | 0.525 INCHES MINIMUM AND 0.535 INCHES MAXIMUM | STYLE DESIGNATOR | RECESSED |
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