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National Stock Number:
5310-00-066-9409
Federal Supply Class:
5310
National Item Identification Number:
000669409
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:
| 135B6130 | 05606 | GENERAL DYNAMICS-OTS, INC. |
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Techincal Specification:
| BOTTOM RECESS ANGLE | 90.0 DEGREES NOMINAL | | BOTTOM RECESS DIAMETER | 1.375 INCHES NOMINAL | | HEAT TREATMENT | AS FABRICATED | | HOLE DIAMETER | 1.250 INCHES MINIMUM AND 1.310 INCHES MAXIMUM | | OUTSIDE DIAMETER | 3.970 INCHES MINIMUM AND 4.030 INCHES MAXIMUM | | MATERIAL THICKNESS | 0.520 INCHES MINIMUM AND 0.580 INCHES MAXIMUM | | MATERIAL | ALUMINUM ALLOY OVERALL | | STYLE DESIGNATOR | RECESSED BOTH SIDES | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-STD-171 MIL STD SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | OXIDE FILM OVERALL | | TOP RECESS ANGLE | 90.0 DEGREES NOMINAL | | TOP RECESS DIAMETER | 1.375 INCHES NOMINAL |
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