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National Stock Number:
5310-00-143-6144
Federal Supply Class:
5310
National Item Identification Number:
001436144
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:
| 310395 | 33654 | HOWDEN FLUID SYSTEMS | | 310395 | 58163 | MEGGITT (NORTH HOLLYWOOD), INC. |
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Techincal Specification:
| HARDNESS RATING | 81.2 ROCKWELL A MINIMUM AND 85.0 ROCKWELL A MAXIMUM | | HOLE DIAMETER | 0.465 INCHES MINIMUM AND 0.470 INCHES MAXIMUM | | OUTSIDE DIAMETER | 0.830 INCHES MINIMUM AND 0.831 INCHES MAXIMUM | | OVERALL HEIGHT | 0.130 INCHES MINIMUM AND 0.140 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD SINGLE MATERIAL RESPONSE OR ASTM A322 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM A331 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL THICKNESS | 0.070 INCHES MINIMUM AND 0.076 INCHES MAXIMUM | | MATERIAL | STEEL COMP E52100 OVERALL | | RECESS DEPTH | 0.060 INCHES MINIMUM AND 0.065 INCHES MAXIMUM | | SPECIAL FEATURES | OUTSIDE PERIPHERY OF COUNTERBORE CHAMFERED TO DEPTH OF 0.020 IN. MIN,0.030 IN. MAX AT 8 TO 12 DEG | | STYLE DESIGNATOR | RECESSED | | SURFACE FINISH | 63.0 MICROINCHES ALL SURFACES |
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