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National Stock Number:
5310-01-253-3727
Federal Supply Class:
5310
National Item Identification Number:
012533727
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:
| 5544138-4 | 53711 | NAVAL SEA SYSTEMS COMMAND |
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Techincal Specification:
| MATERIAL | STEEL COMP 1330 OR | | STEEL COMP 4130 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD ALL MATERIAL RESPONSES OVERALL | | STYLE DESIGNATOR | RECESSED | | HOLE DIAMETER | 0.378 INCHES MINIMUM AND | | 0.388 INCHES MAXIMUM | | OUTSIDE DIAMETER | 0.677 INCHES MINIMUM AND | | 0.697 INCHES MAXIMUM | | RECESS DIAMETER | 0.483 INCHES MINIMUM AND | | 0.495 INCHES MAXIMUM | | MATERIAL THICKNESS | 0.068 INCHES MINIMUM AND | | 0.088 INCHES MAXIMUM | | RECESS ANGLE | 89.0 DEGREES MINIMUM AND | | 91.0 DEGREES MAXIMUM | | SPECIAL FEATURES | COATED,MIL-C-81751,TY 1,CL 4 | | MINIMUM TENSILE STRENGTH | 125000 POUNDS PER SQUARE INCH | | PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT |
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