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National Stock Number:
5310-01-117-3454
Federal Supply Class:
5310
National Item Identification Number:
011173454
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:
| S95184 | 12511 | SIMMONDS PRECISION PRODUCTS INC |
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Techincal Specification:
| MATERIAL | STEEL COMP 410 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | NS177,FSCM 12511 MFR REF SINGLE TREATMENT RESPONSE OVERALL | | HARDNESS RATING | 38.0 ROCKWELL C MINIMUM AND | | 42.0 ROCKWELL C MAXIMUM | | STYLE DESIGNATOR | RECESSED | | HOLE DIAMETER | 0.880 INCHES NOMINAL | | OUTSIDE DIAMETER | 1.376 INCHES MINIMUM AND | | 1.378 INCHES MAXIMUM | | OVERALL HEIGHT | 0.138 INCHES MINIMUM AND | | 0.142 INCHES MAXIMUM | | RECESS DIAMETER | 1.005 INCHES MINIMUM AND | | 1.010 INCHES MAXIMUM | | RECESS DEPTH | 0.080 INCHES NOMINAL | | SPECIAL FEATURES | CHAMFER 0.015 IN. MIN,0.035 IN. MAX BY 45 DEG BOTTOM OUTSIDE CORNER |
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