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National Stock Number:
5310-00-015-3936
Federal Supply Class:
5310
National Item Identification Number:
000153936
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:
| 107D3078-1 | 20200 | LAMINATED MATERIALS CORP | | 107D3078-1 | 77272 | THE BOEING COMPANY | | 107D3078-1 | 81205 | THE BOEING COMPANY | | 107D3078-2 | 77272 | THE BOEING COMPANY |
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Techincal Specification:
| BOTTOM RECESS ANGLE | 90.0 DEGREES NOMINAL | | BOTTOM RECESS DIAMETER | 0.373 INCHES NOMINAL | | HEAT TREATMENT | AS FABRICATED | | HOLE DIAMETER | 0.312 INCHES MINIMUM AND 0.320 INCHES MAXIMUM | | OUTSIDE DIAMETER | 0.690 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-6758 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL THICKNESS | 0.188 INCHES NOMINAL | | MATERIAL | STEEL COMP 4130 OVERALL | | RECESS DEPTH | 0.020 INCHES MINIMUM AND 0.040 INCHES MAXIMUM | | SPECIAL FEATURES | BOTH SIDES OUTSIDE DIA CHAMFERED 7.0 DEGREES,0.115 IN. LG | | STYLE DESIGNATOR | RECESSED BOTH SIDES | | TOP RECESS ANGLE | 90.0 DEGREES NOMINAL | | TOP RECESS DIAMETER | 0.373 INCHES NOMINAL |
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