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National Stock Number:
5310-01-112-7946
Federal Supply Class:
5310
National Item Identification Number:
011127946
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:
| 755-RP | 98021 | HALKEY-ROBERTS CORP | | SM-B-963803 | 80063 | US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR |
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Techincal Specification:
| MATERIAL | PLASTIC ACETAL OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | DUPONT 500,FSCM 27280 MFR REF SINGLE MATERIAL RESPONSE OVERALL | | STYLE DESIGNATOR | RECESSED BOTH SIDES | | HOLE DIAMETER | 0.568 INCHES MINIMUM AND | | 0.588 INCHES MAXIMUM | | OUTSIDE DIAMETER | 0.849 INCHES MINIMUM AND | | 0.869 INCHES MAXIMUM | | MATERIAL THICKNESS | 0.040 INCHES MINIMUM AND | | 0.060 INCHES MAXIMUM | | TOP RECESS DIAMETER | 0.578 INCHES MINIMUM AND | | 0.618 INCHES MAXIMUM | | BOTTOM RECESS DIAMETER | 0.578 INCHES MINIMUM AND | | 0.618 INCHES MAXIMUM | | BOTTOM RECESS ANGLE | 90.0 DEGREES NOMINAL | | TOP RECESS ANGLE | 90.0 DEGREES NOMINAL | | PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT |
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