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National Stock Number:
5310-01-167-8642
Federal Supply Class:
5310
National Item Identification Number:
011678642
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:
| 10088102 | A486G | NIMIKKEISTOKESKUS NCB FINLAND | | 13027283-1 | 18876 | U S ARMY AVIATION AND MISSILE COMMAND | | 13027283-1 | 6M364 | MACHINE PRODUCTS CO |
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Techincal Specification:
| HOLE DIAMETER | 16.25 MILLIMETERS MINIMUM AND 16.50 MILLIMETERS MAXIMUM | | OUTSIDE DIAMETER | 28.00 MILLIMETERS MINIMUM AND 30.00 MILLIMETERS MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5059,CONDITION 1/2 HARD MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL THICKNESS | 3.00 MILLIMETERS MINIMUM AND 4.50 MILLIMETERS MAXIMUM | | MATERIAL | STEEL COMP 301 OVERALL | | RECESS ANGLE | 90.0 DEGREES NOMINAL | | RECESS DIAMETER | 18.00 MILLIMETERS MINIMUM AND 19.00 MILLIMETERS MAXIMUM | | STYLE DESIGNATOR | RECESSED | | SURFACE TREATMENT | PASSIVATE OVERALL |
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