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National Stock Number:
5310-00-257-7348
Federal Supply Class:
5310
National Item Identification Number:
002577348
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:
| 7232217-01 | 98752 | WARNER ROBINS AIR LOGISTICS CENTER |
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Techincal Specification:
| HARDNESS RATING | 58.0 ROCKWELL C MINIMUM AND 60.0 ROCKWELL C MAXIMUM | | HOLE DIAMETER | 0.137 INCHES MINIMUM AND 0.143 INCHES MAXIMUM | | OUTSIDE DIAMETER | 0.224 INCHES MINIMUM AND 0.244 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | FED-STD-66 FED STD ALL MATERIAL RESPONSES OR QQ-S-763,COND A FED SPEC ALL MATERIAL RESPONSES OVERALL | | MATERIAL THICKNESS | 0.040 INCHES MINIMUM AND 0.050 INCHES MAXIMUM | | MATERIAL | STEEL COMP 440C OVERALL | | RECESS ANGLE | 90.0 DEGREES NOMINAL | | RECESS DEPTH | 0.210 INCHES MINIMUM AND 0.240 INCHES MAXIMUM | | RECESS DIAMETER | 0.175 INCHES MINIMUM AND 0.185 INCHES MAXIMUM | | STYLE DESIGNATOR | RECESSED | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35,TYPE 3 FED SPEC 1ST TREATMENT RESPONSE OR QQ-N-290 CLASS 1,GRADE C FED SPEC 2ND TREATMENT RESPONSE OR MIL-G-45204,TYPE 1 GRADE C,CLASS 3 MIL SPEC 3RD TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE OR NICKEL OR GOLD OVERALL |
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