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National Stock Number:
5310-00-187-9727
Federal Supply Class:
5310
National Item Identification Number:
001879727
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:
| 10116659 | A486G | NIMIKKEISTOKESKUS NCB FINLAND | | 5310PL0212538 | 9009H | INSPEKTORAT WSPARCIA SIL ZBROJNYCH | | 968.20.13.413 | S4080 | PILATUS AIRCRAFT LTD | | 9682013413 | S4080 | PILATUS AIRCRAFT LTD | | MS9768-09 | 96906 | MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
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Techincal Specification:
| BOTTOM RECESS ANGLE | 86.0 DEGREES MINIMUM AND 94.0 DEGREES MAXIMUM | | BOTTOM RECESS DIAMETER | 0.236 INCHES MINIMUM AND 0.260 INCHES MAXIMUM | | HARDNESS RATING | 29.0 ROCKWELL C MINIMUM AND 39.0 ROCKWELL C MAXIMUM | | HOLE DIAMETER | 0.192 INCHES MINIMUM AND 0.200 INCHES MAXIMUM | | OUTSIDE DIAMETER | 0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5516 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5537 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL THICKNESS | 0.075 INCHES MINIMUM AND 0.085 INCHES MAXIMUM | | MATERIAL | COBALT COMP L-605 OR STEEL COMP 302 OVERALL | | STYLE DESIGNATOR | RECESSED BOTH SIDES | | SURFACE FINISH | 63.0 MICROINCHES BOTTOM | | SURFACE FINISH | 63.0 MICROINCHES TOP | | TOP RECESS ANGLE | 86.0 DEGREES MINIMUM AND 94.0 DEGREES MAXIMUM | | TOP RECESS DIAMETER | 0.236 INCHES MINIMUM AND 0.260 INCHES MAXIMUM |
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