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National Stock Number:
5310-01-119-8930
Federal Supply Class:
5310
National Item Identification Number:
011198930
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:
| 74A410567-2001 | 76301 | THE BOEING COMPANY |
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Techincal Specification:
| MATERIAL | STEEL COMP 4340 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-8844,CL1,COND E2 MIL SPEC SINGLE MATERIAL RESPONSE OR | | AMS6414 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | HARDNESS RATING | 33.0 ROCKWELL C MAXIMUM | | STYLE DESIGNATOR | RECESSED | | HOLE DIAMETER | 0.377 INCHES MINIMUM AND | | 0.380 INCHES MAXIMUM | | OUTSIDE DIAMETER | 0.875 INCHES NOMINAL | | RECESS DIAMETER | 0.080 INCHES NOMINAL | | MATERIAL THICKNESS | 0.188 INCHES NOMINAL | | RECESS ANGLE | 90.0 DEGREES NOMINAL | | HEAT TREATMENT | NORMALIZED AND | | TEMPERED | | MINIMUM TENSILE STRENGTH | 180000 POUNDS PER SQUARE INCH | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 76301 | | DESIGN CONTROL REFERENCE | 74A410567-2001 |
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