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National Stock Number:
5310-01-371-8423
Federal Supply Class:
5310
National Item Identification Number:
013718423
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:
| 10122264 | A486G | NIMIKKEISTOKESKUS NCB FINLAND | | 4M226B5H | 00AE2 | PRECISE AERO PRODUCTS, INC | | 79684CC-5 | 56878 | SPS TECHNOLOGIES, LLC | | 4M226B5H | 76301 | THE BOEING COMPANY |
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Techincal Specification:
| HARDNESS RATING | 46.0 ROCKWELL C MINIMUM AND 50.0 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 | ASTM 6487,H-11 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP H11 OVERALL | | RADIUS | 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM | | STYLE DESIGNATOR | RECESSED |
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