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National Stock Number:
5310-00-844-2439
Federal Supply Class:
5310
National Item Identification Number:
008442439
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:
| 3-95906 | 81205 | THE BOEING COMPANY |
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Techincal Specification:
| HEAT TREATMENT | NORMALIZED | | HOLE DIAMETER | 1.020 INCHES MINIMUM AND 1.040 INCHES MAXIMUM | | OUTSIDE DIAMETER | 1.490 INCHES MINIMUM AND 1.510 INCHES MAXIMUM | | OVERALL HEIGHT | 0.390 INCHES MINIMUM AND 0.410 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-6758 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL THICKNESS | 0.150 INCHES NOMINAL | | MATERIAL | STEEL COMP 4130 OVERALL | | RECESS DEPTH | 0.150 INCHES MINIMUM AND 0.170 INCHES MAXIMUM | | STYLE DESIGNATOR | RECESSED | | SURFACE TREATMENT | CADMIUM OVERALL |
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