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National Stock Number:
5310-00-283-0989
Federal Supply Class:
5310
National Item Identification Number:
002830989
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:
| 8691013 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM |
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Techincal Specification:
| HOLE DIAMETER | 1.251 INCHES MINIMUM AND 1.252 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-624 FED SPEC 1ST MATERIAL RESPONSE OR QQ-S-624 FED SPEC 2ND MATERIAL RESPONSE OVERALL | | MATERIAL THICKNESS | 0.092 INCHES MINIMUM AND 0.096 INCHES MAXIMUM | | MATERIAL | STEEL COMP 4140 AND STEEL COMP 4150 OVERALL | | OUTSIDE DIAMETER | 1.625 INCHES NOMINAL | | OVERALL HEIGHT | 0.092 INCHES MINIMUM AND 0.096 INCHES MAXIMUM | | RECESS DEPTH | 0.062 INCHES NOMINAL | | RECESS DIAMETER | 1.376 INCHES NOMINAL | | SPECIAL FEATURES | 0.062 IN. BY 45.0 DEG CHAMFER ON BOTH OD EDGES | | STYLE DESIGNATOR | RECESSED |
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