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National Stock Number:
5310-01-167-4070
Federal Supply Class:
5310
National Item Identification Number:
011674070
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:
| LD153-0016-1003 | 43999 | THE BOEING COMPANY |
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Techincal Specification:
| HOLE DIAMETER | 0.192 INCHES MINIMUM AND 0.199 INCHES MAXIMUM | | OUTSIDE DIAMETER | 0.438 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-18729 MIL SPEC SINGLE MATERIAL RESPONSE OR MIL-S-6758,COND D1 OR D4 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL THICKNESS | 0.075 INCHES MINIMUM AND 0.085 INCHES MAXIMUM | | MATERIAL | STEEL COMP 4130 OVERALL | | MINIMUM TENSILE STRENGTH | 180000 POUNDS PER SQUARE INCH | | RECESS ANGLE | 90.0 DEGREES NOMINAL | | RECESS DIAMETER | 0.274 INCHES MINIMUM AND 0.281 INCHES MAXIMUM | | STYLE DESIGNATOR | RECESSED | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | LA0109-005,FSCM 43999 MFR REF ALL TREATMENT RESPONSES OVERALL | | SURFACE TREATMENT | NICKEL AND ZINC OVERALL |
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