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National Stock Number:
5310-01-378-7631
Federal Supply Class:
5310
National Item Identification Number:
013787631
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:
| A312A168-101 | 0D0D0 | BAE SYSTEMS INFORMATION AND ELECTRONIC SYSTEMS INTEGRATION INC. | | A312A168-101 | 88818 | KEARFOTT CORPORATION |
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Techincal Specification:
| MATERIAL | STEEL COMP 630 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | STYLE DESIGNATOR | RECESSED | | HOLE DIAMETER | 0.259 INCHES MINIMUM AND | | 0.264 INCHES MAXIMUM | | OUTSIDE DIAMETER | 0.645 INCHES MINIMUM AND | | 0.655 INCHES MAXIMUM | | RECESS DIAMETER | 0.320 INCHES NOMINAL | | MATERIAL THICKNESS | 0.125 INCHES NOMINAL | | RECESS ANGLE | 80.0 DEGREES MINIMUM AND | | 100.0 DEGREES MAXIMUM | | MINIMUM TENSILE STRENGTH | 140000 POUNDS PER SQUARE INCH |
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