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National Stock Number:
5310-01-523-9904
Federal Supply Class:
5310
National Item Identification Number:
015239904
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:
| 68951C-10.5 | 56878 | SPS TECHNOLOGIES, LLC |
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Techincal Specification:
| HARDNESS RATING | 39.0 ROCKWELL C MINIMUM OR 43.0 ROCKWELL C MAXIMUM | | HOLE DIAMETER | 0.658 INCHES MINIMUM AND 0.662 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS-S-6758 ASSN STD SINGLE MATERIAL RESPONSE OVERALL OR AMS 6350 ASSN STD SINGLE MATERIAL RESPONSE OVERALL OR AMS 6322 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL THICKNESS | 0.071 INCHES MINIMUM AND 0.085 INCHES MAXIMUM | | MATERIAL | STEEL COMP 4130 OVERALL OR STEEL COMP 8740 OVERALL | | PROPRIETARY CHARACTERISTICS | PACS | | OUTSIDE DIAMETER | 1.057 INCHES MINIMUM AND 1.067 INCHES MAXIMUM | | RECESS ANGLE | 45.0 DEGREES NOMINAL | | RECESS DIAMETER | 0.810 INCHES MINIMUM AND 0.820 INCHES MAXIMUM | | STYLE DESIGNATOR | RECESSED | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS-QQ-P-416, TYPE II, CLASS 2 ASSN STD SINGLE TREATMENT RESPONSE OVERALL OR AMS 2416 ASSN STD SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM OVERALL OR NICKEL ALLOY OVERALL |
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