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National Stock Number:
5310-01-124-3105
Federal Supply Class:
5310
National Item Identification Number:
011243105
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:
| 64-06314-101 | 78286 | SIKORSKY AIRCRAFT CORPORATION | | 65664-06314 | 78286 | SIKORSKY AIRCRAFT CORPORATION | | 65664-06314-101 | 05722 | S & L AEROSPACE METALS LLC | | 65664-06314-101 | 33068 | TRIUMPH ACTUATION SYSTEMS - CONNECTICUT, LLC | | 65664-06314-101 | 78286 | SIKORSKY AIRCRAFT CORPORATION | | 65664-06314-101 | 8Z057 | MASSIE R P AND SONS INC | | 65664-06314-101 | 98419 | POLYPHASE MACHINE CO INC |
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Techincal Specification:
| MATERIAL | STEEL COMP 630 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE OR | | AMS 5622 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | SS8435,FSCM 78286 MFR REF SINGLE TREATMENT RESPONSE OVERALL | | STYLE DESIGNATOR | RECESSED BOTH SIDES | | HOLE DIAMETER | 0.280 INCHES MINIMUM AND | | 0.290 INCHES MAXIMUM | | OUTSIDE DIAMETER | 0.780 INCHES NOMINAL | | MATERIAL THICKNESS | 0.120 INCHES MINIMUM AND | | 0.125 INCHES MAXIMUM | | TOP RECESS DIAMETER | 0.3146 INCHES MINIMUM AND | | 0.3246 INCHES MAXIMUM | | BOTTOM RECESS DIAMETER | 0.3146 INCHES MINIMUM AND | | 0.3246 INCHES MAXIMUM | | BOTTOM RECESS ANGLE | 60.0 DEGREES NOMINAL | | TOP RECESS ANGLE | 60.0 DEGREES NOMINAL |
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