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National Stock Number:
5310-01-181-7496
Federal Supply Class:
5310
National Item Identification Number:
011817496
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:
| LD153-0016-1008 | 43999 | THE BOEING COMPANY |
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Techincal Specification:
| MATERIAL | STEEL COMP 4130 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-18729,COND N MIL SPEC SINGLE MATERIAL RESPONSE OR | | MIL-S-6758,COND D4 OR D1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | NICKEL AND | | ZINC OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | LA0109-005,FSCM 43999 MFR REF ALL TREATMENT RESPONSES OVERALL | | STYLE DESIGNATOR | RECESSED | | HOLE DIAMETER | 0.504 INCHES MINIMUM AND | | 0.515 INCHES MAXIMUM | | OUTSIDE DIAMETER | 0.968 INCHES NOMINAL | | RECESS DIAMETER | 0.604 INCHES MINIMUM AND | | 0.620 INCHES MAXIMUM | | MATERIAL THICKNESS | 0.075 INCHES MINIMUM AND | | 0.085 INCHES MAXIMUM | | RECESS ANGLE | 90.0 DEGREES NOMINAL | | MINIMUM TENSILE STRENGTH | 180000 POUNDS PER SQUARE INCH |
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