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National Stock Number:
5310-01-124-1267
Federal Supply Class:
5310
National Item Identification Number:
011241267
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:
| 65126-11236-102 | 4A014 | RICHARD MANUFACTURING CO., INC. | | 65126-11236-102 | 54878 | ROTAIR AEROSPACE CORP | | 65126-11236-102 | 67339 | ALPINE MACHINE & TOOL CORPORATION | | 65126-11236-102 | 78286 | SIKORSKY AIRCRAFT CORPORATION |
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Techincal Specification:
| MATERIAL | ALUMINUM ALLOY 6061 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-250/11,TEMPER T6 FED SPEC SINGLE MATERIAL RESPONSE OR | | QQ-A-225/8,TEMPER T651 FED SPEC SINGLE MATERIAL RESPONSE OR | | QQ-A-200/8,TEMPER T6511 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | ANODIZE OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | | STYLE DESIGNATOR | RECESSED | | HOLE DIAMETER | 3.478 INCHES MINIMUM AND | | 3.488 INCHES MAXIMUM | | OUTSIDE DIAMETER | 4.375 INCHES NOMINAL | | OVERALL HEIGHT | 0.120 INCHES MINIMUM AND | | 0.125 INCHES MAXIMUM | | RECESS DIAMETER | 3.890 INCHES MINIMUM AND | | 3.900 INCHES MAXIMUM | | RECESS DEPTH | 0.029 INCHES MINIMUM AND | | 0.040 INCHES MAXIMUM | | PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT |
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