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National Stock Number:
5310-01-134-0757
Federal Supply Class:
5310
National Item Identification Number:
011340757
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:
| 10109700 | A486G | NIMIKKEISTOKESKUS NCB FINLAND | | 4M226B5M | 76301 | THE BOEING COMPANY | | 73612-5CCM | 56878 | SPS TECHNOLOGIES, LLC | | 79684-CCM-5 | 56878 | SPS TECHNOLOGIES, LLC | | 4M226B5MH | 76301 | THE BOEING COMPANY |
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Techincal Specification:
| HARDNESS RATING | 40.0 ROCKWELL C MINIMUM AND 46.0 ROCKWELL C MAXIMUM | | HOLE DIAMETER | 0.417 INCHES MINIMUM AND 0.427 INCHES MAXIMUM | | OUTSIDE DIAMETER | 0.608 INCHES MINIMUM AND 0.618 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-6758 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-18729 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 2ND MATERIAL RESPONSE OR AMS 6358 ASSN STD 2ND MATERIAL RESPONSE OVERALL | | MATERIAL THICKNESS | 0.106 INCHES MINIMUM AND 0.126 INCHES MAXIMUM | | MATERIAL | STEEL COMP 4130 OR STEEL COMP 8740 OVERALL | | RADIUS | 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM | | SPECIAL FEATURES | DRY FILM LUBRICANT PS18021,CLASS 16 | | SURFACE FINISH | 63.0 MICROINCHES TOP | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL |
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