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National Stock Number:
5310-00-584-4870
Federal Supply Class:
5310
National Item Identification Number:
005844870
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:
| 252804 | 77445 | RTX CORPORATION | | AS252804 | 12776 | AIRCRAFT SUPPLIES |
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Techincal Specification:
| BOTTOM RECESS ANGLE | 90.0 DEGREES NOMINAL | | BOTTOM RECESS DIAMETER | 0.718 INCHES MINIMUM AND 0.768 INCHES MAXIMUM | | HARDNESS RATING | 26.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM | | HOLE DIAMETER | 0.698 INCHES MINIMUM AND 0.708 INCHES MAXIMUM | | OUTSIDE DIAMETER | 1.134 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | SAE 6272 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL THICKNESS | 0.082 INCHES MINIMUM AND 0.085 INCHES MAXIMUM | | MATERIAL | STEEL OVERALL | | STYLE DESIGNATOR | RECESSED BOTH SIDES | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS 2410 ASSN STD SINGLE TREATMENT RESPONSE OR AMS 2412 ASSN STD SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | SILVER OVERALL | | TOP RECESS ANGLE | 90.0 DEGREES NOMINAL | | TOP RECESS DIAMETER | 0.718 INCHES MINIMUM AND 0.768 INCHES MAXIMUM |
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