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National Stock Number:
5310-00-514-4589
Federal Supply Class:
5310
National Item Identification Number:
005144589
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:
| LS10095-7CV | 98897 | LOCKHEED MARTIN CORP |
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Techincal Specification:
| MATERIAL | STEEL COMP 4130 OR | | STEEL COMP 8740 OR | | STEEL OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-6758 MIL SPEC 1ST MATERIAL RESPONSE OR | | MIL-S-18729 MIL SPEC 1ST MATERIAL RESPONSE OR | | MIL-S-6049 MIL SPEC 2ND MATERIAL RESPONSE OR | | AMS 6358 ASSN STD 2ND MATERIAL RESPONSE OR | | ASTM A193 B7 ASSN STD 3RD MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM AND | | CHROMATE OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | HARDNESS RATING | 40.0 ROCKWELL C MINIMUM AND | | 46.0 ROCKWELL C MAXIMUM | | STYLE DESIGNATOR | RECESSED | | HOLE DIAMETER | 0.448 INCHES MINIMUM AND | | 0.458 INCHES MAXIMUM | | OUTSIDE DIAMETER | 0.845 INCHES MINIMUM AND | | 0.855 INCHES MAXIMUM | | RECESS DIAMETER | 0.552 INCHES MINIMUM AND | | 0.562 INCHES MAXIMUM | | MATERIAL THICKNESS | 0.160 INCHES MINIMUM AND | | 0.180 INCHES MAXIMUM | | RECESS ANGLE | 88.0 DEGREES MINIMUM AND | | 92.0 DEGREES MAXIMUM | | SURFACE FINISH | 32.0 MICROINCHES TOP | | SPECIAL FEATURES | 0.515 IN. MIN,0.535 IN. MAX SPHERICAL RADIUS ONE SIDE OF BEARING SURFACE | | MINIMUM TENSILE STRENGTH | 180000 POUNDS PER SQUARE INCH | | PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT |
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