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National Stock Number:
5310-00-596-4688
Federal Supply Class:
5310
National Item Identification Number:
005964688
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:
| LD153-0004-0001 | 43999 | THE BOEING COMPANY |
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Techincal Specification:
| COLOR | RED OVERALL | | HOLE DIAMETER | 0.252 INCHES MINIMUM AND 0.260 INCHES MAXIMUM | | OUTSIDE DIAMETER | 0.521 INCHES MINIMUM AND 0.541 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/9 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-A-250/12 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL THICKNESS | 0.068 INCHES MINIMUM AND 0.076 INCHES MAXIMUM | | MATERIAL | ALUMINUM ALLOY 7075 OVERALL | | RECESS DIAMETER | 0.334 INCHES MINIMUM AND 0.344 INCHES MAXIMUM | | RECESS ANGLE | 90.0 DEGREES NOMINAL | | STYLE DESIGNATOR | RECESSED | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-A-696 FED SPEC 1ST TREATMENT RESPONSE AND MIL-C-5541 MIL SPEC 2ND TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | ANODIZE AND CHROMATE OVERALL |
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