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National Stock Number:
5310-00-538-0886
Federal Supply Class:
5310
National Item Identification Number:
005380886
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:
| A380886 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM |
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Techincal Specification:
| HOLE DIAMETER | 1.374 INCHES MINIMUM AND 1.377 INCHES MAXIMUM | | OUTSIDE DIAMETER | 2.500 INCHES NOMINAL | | OVERALL HEIGHT | 0.312 INCHES MINIMUM AND 0.317 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-634 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL THICKNESS | 0.312 INCHES MINIMUM AND 0.317 INCHES MAXIMUM | | MATERIAL | STEEL COMP 1020 OVERALL | | RECESS DIAMETER | 1.750 INCHES MINIMUM AND 1.753 INCHES MAXIMUM | | RECESS ANGLE | 90.0 DEGREES NOMINAL | | RECESS DEPTH | 0.188 INCHES NOMINAL | | STYLE DESIGNATOR | RECESSED |
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