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National Stock Number:
5310-01-398-4237
Federal Supply Class:
5310
National Item Identification Number:
013984237
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:
| MS14155-8 | 80205 | NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE | | MS14155-8 | 96906 | MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
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Techincal Specification:
| MATERIAL | STEEL COMP 4130 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5059,TY 302,1/2 HARD MIL SPEC 1ST MATERIAL RESPONSE OR | | MIL-S-18729 MIL SPEC 2ND MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | HARDNESS RATING | 39.0 ROCKWELL C MINIMUM AND | | 43.0 ROCKWELL C MAXIMUM | | STYLE DESIGNATOR | RECESSED BOTH SIDES | | HOLE DIAMETER | 0.501 INCHES MINIMUM AND | | 0.505 INCHES MAXIMUM | | OUTSIDE DIAMETER | 0.994 INCHES MINIMUM AND | | 1.004 INCHES MAXIMUM | | MATERIAL THICKNESS | 0.149 INCHES MINIMUM AND | | 0.163 INCHES MAXIMUM | | TOP RECESS DIAMETER | 0.619 INCHES MINIMUM AND | | 0.629 INCHES MAXIMUM | | BOTTOM RECESS DIAMETER | 0.619 INCHES MINIMUM AND | | 0.629 INCHES MAXIMUM | | BOTTOM RECESS ANGLE | 90.0 DEGREES NOMINAL | | TOP RECESS ANGLE | 90.0 DEGREES NOMINAL | | SPECIAL FEATURES | . |
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