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National Stock Number:
5310-01-519-5800
Federal Supply Class:
5310
National Item Identification Number:
015195800
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:
| BACW10BN52C | 81205 | THE BOEING COMPANY |
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Techincal Specification:
| HARDNESS RATING | 36.0 ROCKWELL C MINIMUM OR 40.0 ROCKWELL C MAXIMUM | | HOLE DIAMETER | 0.344 INCHES MINIMUM AND 0.355 INCHES MAXIMUM | | OUTSIDE DIAMETER | 0.595 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-18729 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-18728 MIL SPEC 1ST MATERIAL RESPONSE OR AMS 6357 ASSN STD 2ND MATERIAL RESPONSE OVERALL | | MATERIAL THICKNESS | 0.057 INCHES MINIMUM AND 0.069 INCHES MAXIMUM | | MATERIAL | STEEL COMP 4130 OR STEEL COMP 8630 OR STEEL COMP 8735 OVERALL | | RECESS ANGLE | 45.0 DEGREES MINIMUM AND 50.0 DEGREES MAXIMUM | | RECESS DIAMETER | 0.435 INCHES NOMINAL | | SPECIAL FEATURES | SERVICE TEMPERATURE ALLOY STEEL-680 F (900 F FOR INTERMITTENT OPERATION) | | STYLE DESIGNATOR | RECESSED | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS 2416 ASSN STD SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM OVERALL |
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