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National Stock Number:
5310-01-623-8274
Federal Supply Class:
5310
National Item Identification Number:
016238274
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:
| 13041496 | 19200 | US ARMY ARDEC RDECOM |
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Techincal Specification:
| HOLE DIAMETER | 0.220 INCHES MINIMUM AND 0.226 INCHES MAXIMUM | | OUTSIDE DIAMETER | 0.745 INCHES MINIMUM AND 0.755 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM B221 NATIONAL SPEC ALL MATERIAL RESPONSES BODY | | MATERIAL THICKNESS | 0.085 INCHES MINIMUM AND 0.115 INCHES MAXIMUM | | MATERIAL | ALUMINUM ALLOY 6061 AND ALUMINUM ALLOY 5083 BODY | | PART NAME ASSIGNED BY CONTROLLING AGENCY | WASHER, STRAP, BUPS | | RECESS ANGLE | 98.0 DEGREES MINIMUM AND 102.0 DEGREES MAXIMUM | | RECESS DIAMETER | 0.390 INCHES MINIMUM AND 0.400 INCHES MAXIMUM | | STYLE DESIGNATOR | RECESSED | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-DTL-5541, TY II, CL 1A MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
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