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National Stock Number:
5310-00-264-4086
Federal Supply Class:
5310
National Item Identification Number:
002644086
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:
| 1436M1 | 56442 | DIAMOND REO TRUCK CO | | 1729C211 | 78500 | MERITOR HEAVY VEHICLE SYSTEMS, LLC | | 8331245 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM | | 1729C211Z | 3D6E9 | MERITOR INDUSTRIAL PRODUCTS, LLC | | 1729C211Z | 78500 | MERITOR HEAVY VEHICLE SYSTEMS, LLC |
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Techincal Specification:
| MATERIAL | STEEL COMP 1008 OR | | STEEL COMP 1009 OR | | STEEL COMP 1010 OR | | STEEL COMP 1012 OR | | STEEL COMP 1015 OR | | STEEL COMP 1016 OR | | STEEL COMP 1017 OR | | STEEL COMP 1018 OR | | STEEL COMP 1019 OR | | STEEL COMP 1020 OVERALL | | SURFACE TREATMENT | ZINC OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-Z-325,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | HARDNESS RATING | 88.9 ROCKWELL SUPERFICIAL 15-N MINIMUM AND | | 92.2 ROCKWELL SUPERFICIAL 15-N MAXIMUM | | STYLE DESIGNATOR | RECESSED | | HOLE DIAMETER | 0.316 INCHES MINIMUM AND | | 0.322 INCHES MAXIMUM | | OUTSIDE DIAMETER | 0.828 INCHES MINIMUM AND | | 0.859 INCHES MAXIMUM | | OVERALL HEIGHT | 0.203 INCHES MINIMUM AND | | 0.234 INCHES MAXIMUM | | RECESS DEPTH | 0.158 INCHES NOMINAL | | MATERIAL THICKNESS | 0.060 INCHES NOMINAL | | FEATURES PROVIDED | CASEHARDENED |
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