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National Stock Number:
5310-00-986-8676
Federal Supply Class:
5310
National Item Identification Number:
009868676
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:
| 10913554 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM |
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Techincal Specification:
| BOTTOM RECESS ANGLE | 45.0 DEGREES NOMINAL | | BOTTOM RECESS DIAMETER | 1.032 INCHES MINIMUM AND 1.047 INCHES MAXIMUM | | HOLE DIAMETER | 0.938 INCHES MINIMUM AND 0.953 INCHES MAXIMUM | | OUTSIDE DIAMETER | 1.562 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A505 ASSN STD ALL MATERIAL RESPONSES OVERALL | | MATERIAL THICKNESS | 0.163 INCHES NOMINAL | | MATERIAL | STEEL COMP 4140 OR STEEL COMP 8640 OVERALL | | STYLE DESIGNATOR | RECESSED BOTH SIDES | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL | | TOP RECESS ANGLE | 45.0 DEGREES NOMINAL | | TOP RECESS DIAMETER | 1.032 INCHES MINIMUM AND 1.047 INCHES MAXIMUM |
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