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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 | | MS9768-09 | 96906 | MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | | 968.20.13.413 | S4080 | PILATUS AIRCRAFT LTD | | 9682013413 | S4080 | PILATUS AIRCRAFT LTD |
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Techincal Specification:
| MATERIAL | COBALT COMP L-605 OR | | STEEL COMP 302 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5516 ASSN STD SINGLE MATERIAL RESPONSE OR | | AMS 5537 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | HARDNESS RATING | 29.0 ROCKWELL C MINIMUM AND | | 39.0 ROCKWELL C MAXIMUM | | STYLE DESIGNATOR | RECESSED BOTH SIDES | | HOLE DIAMETER | 0.192 INCHES MINIMUM AND | | 0.200 INCHES MAXIMUM | | OUTSIDE DIAMETER | 0.428 INCHES MINIMUM AND | | 0.448 INCHES MAXIMUM | | MATERIAL THICKNESS | 0.075 INCHES MINIMUM AND | | 0.085 INCHES MAXIMUM | | TOP RECESS DIAMETER | 0.236 INCHES MINIMUM AND | | 0.260 INCHES MAXIMUM | | BOTTOM RECESS DIAMETER | 0.236 INCHES MINIMUM AND | | 0.260 INCHES MAXIMUM | | BOTTOM RECESS ANGLE | 86.0 DEGREES MINIMUM AND | | 94.0 DEGREES MAXIMUM | | TOP RECESS ANGLE | 86.0 DEGREES MINIMUM AND | | 94.0 DEGREES MAXIMUM | | SURFACE FINISH | 63.0 MICROINCHES TOP | | 63.0 MICROINCHES BOTTOM | | SPEC/STD CONTROLLING DATA | | | MANUFACTURERS CODE | 96906 | | DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | MS9768-09 |
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