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National Stock Number:
5310-01-094-6766
Federal Supply Class:
5310
National Item Identification Number:
010946766
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:
| 70302-02162-101 | 78286 | SIKORSKY AIRCRAFT CORPORATION |
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Techincal Specification:
| MATERIAL | STEEL COMP 4130 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-6758,COND C MIL SPEC SINGLE MATERIAL RESPONSE OR | | MIL-S-6758,COND D MIL SPEC SINGLE MATERIAL RESPONSE OR | | MIL-S-18729,COND A MIL SPEC SINGLE MATERIAL RESPONSE OR | | MIL-S-18729,COND N MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM AND | | CHROMATE OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | HARDNESS RATING | 26.0 ROCKWELL C MINIMUM AND | | 33.0 ROCKWELL C MAXIMUM | | STYLE DESIGNATOR | RECESSED | | HOLE DIAMETER | 0.125 INCHES NOMINAL | | OUTSIDE DIAMETER | 0.400 INCHES NOMINAL | | RECESS DIAMETER | 0.238 INCHES NOMINAL | | MATERIAL THICKNESS | 0.063 INCHES NOMINAL | | RECESS ANGLE | 0.099 DEGREES MINIMUM AND | | 0.101 DEGREES MAXIMUM | | MINIMUM TENSILE STRENGTH | 125000 POUNDS PER SQUARE INCH |
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