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National Stock Number: 5310-00-733-2648
Federal Supply Class: 5310
National Item Identification Number: 007332648
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:
7332648 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM |
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Techincal Specification:
BOTTOM RECESS ANGLE | 90.0 DEGREES NOMINAL | BOTTOM RECESS DIAMETER | 8.082 INCHES MINIMUM AND 8.092 INCHES MAXIMUM | HARDNESS RATING | 35.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM | HOLE DIAMETER | 8.020 INCHES MINIMUM AND 8.030 INCHES MAXIMUM | OUTSIDE DIAMETER | 10.100 INCHES MINIMUM AND 10.110 INCHES MAXIMUM | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A505 ASSN STD ALL MATERIAL RESPONSES OVERALL | MATERIAL THICKNESS | 0.170 INCHES MINIMUM AND 0.180 INCHES MAXIMUM | MATERIAL | STEEL COMP 4130 OR STEEL COMP 8630 OVERALL | STYLE DESIGNATOR | RECESSED BOTH SIDES | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-16232,TY 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | SURFACE TREATMENT | PHOSPHATE OVERALL | TOP RECESS ANGLE | 90.0 DEGREES NOMINAL | TOP RECESS DIAMETER | 8.082 INCHES MINIMUM AND 8.092 INCHES MAXIMUM |
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